{
  "kind": "open-flow-workflow",
  "version": 1,
  "name": "Monitor Sheet Servers and Email Alerts",
  "content": {
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    "document": {
      "bindings": {},
      "graph": {
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                "expression": "* * * * *",
                "timezone": "UTC"
              }
            ]
          },
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                "kind": "value",
                "value": "YOUR_SPREADSHEET_ID"
              },
              "range": {
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                "value": "'Server_List'!A:Z"
              },
              "majorDimension": {
                "kind": "value",
                "value": "ROWS"
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              "valueRenderOption": {
                "kind": "value",
                "value": "UNFORMATTED_VALUE"
              }
            },
            "name": "Read the server list",
            "kind": "task",
            "task": {
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                  "description": "The spreadsheet ID.",
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1,
                    "description": "The spreadsheet ID."
                  },
                  "nullable": true,
                  "handle": "spreadsheetId",
                  "value": null
                },
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                    "description": "The A1 notation of the range to retrieve."
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                  },
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                  "handle": "majorDimension",
                  "value": null
                },
                {
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                      "UNFORMATTED_VALUE",
                      "FORMULA"
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                    "description": "How values should be rendered in the output."
                  },
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                  "handle": "valueRenderOption",
                  "value": null
                },
                {
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                  "jsonSchema": {
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                    "enum": [
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                      "FORMATTED_STRING"
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                    "description": "How dates and times should be rendered in the output."
                  },
                  "nullable": true,
                  "handle": "dateTimeRenderOption",
                  "value": null
                }
              ],
              "outputs": [
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                  "jsonSchema": {
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                    "description": "The A1 notation of the range."
                  },
                  "nullable": false,
                  "handle": "range"
                },
                {
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                  "jsonSchema": {
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                    "description": "The major dimension of the values (ROWS or COLUMNS)."
                  },
                  "nullable": false,
                  "handle": "majorDimension"
                },
                {
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                  "jsonSchema": {
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                    "items": {
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                      "items": {
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                            "description": "A union variant."
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                          {
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                            "description": "A union variant."
                          },
                          {
                            "type": "boolean",
                            "description": "A union variant."
                          },
                          {
                            "const": null,
                            "description": "A union variant."
                          }
                        ],
                        "description": "The cell value schema."
                      },
                      "description": "An array item."
                    },
                    "description": "The data values in the range."
                  },
                  "nullable": false,
                  "handle": "values"
                }
              ],
              "name": "Read the server list",
              "executor": {
                "kind": "connector",
                "action": "googlesheets.values_get"
              }
            }
          },
          "n_5f3de78b7d76b2d5": {
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              "values": {
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                "sources": [
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                    "nodeId": "n_93278ff6064ad7b7",
                    "output": "values"
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              },
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                ]
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            "task": {
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                    "items": {
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                      "items": {
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                          {
                            "type": "number",
                            "description": "A union variant."
                          },
                          {
                            "type": "boolean",
                            "description": "A union variant."
                          },
                          {
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                            "description": "A union variant."
                          }
                        ],
                        "description": "The cell value schema."
                      },
                      "description": "An array item."
                    },
                    "description": "The data values in the range."
                  },
                  "nullable": false,
                  "handle": "values"
                },
                {
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": true
                  },
                  "nullable": true,
                  "handle": "previousState"
                }
              ],
              "outputs": [
                {
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": true
                  },
                  "nullable": false,
                  "handle": "state"
                },
                {
                  "jsonSchema": {
                    "type": "boolean"
                  },
                  "nullable": false,
                  "handle": "more"
                },
                {
                  "jsonSchema": {
                    "type": "string"
                  },
                  "nullable": false,
                  "handle": "url"
                },
                {
                  "jsonSchema": {
                    "type": "string"
                  },
                  "nullable": false,
                  "handle": "server"
                },
                {
                  "jsonSchema": {
                    "type": "integer",
                    "minimum": 0
                  },
                  "nullable": false,
                  "handle": "count"
                }
              ],
              "name": "Prepare the next server",
              "moduleId": "n_0c2bda3738594591",
              "capabilities": [
                {
                  "kind": "connector",
                  "mode": "independent",
                  "actions": []
                }
              ]
            }
          },
          "n_1846e3ec3ddeedfd": {
            "inputs": {},
            "name": "More servers to check?",
            "kind": "condition",
            "matchMode": "first",
            "cases": [
              {
                "output": "check",
                "groups": [
                  {
                    "expressions": [
                      {
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                          "source": {
                            "kind": "node",
                            "nodeId": "n_5f3de78b7d76b2d5",
                            "output": "more"
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                        },
                        "operator": "isTrue"
                      }
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                  }
                ]
              }
            ]
          },
          "n_d8bca861c26d02f5": {
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              "initialUrl": {
                "kind": "sources",
                "sources": [
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                    "nodeId": "n_5f3de78b7d76b2d5",
                    "output": "url"
                  }
                ]
              },
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                "sources": [
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                ]
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                    "kind": "node",
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                    "output": "state"
                  }
                ]
              }
            },
            "name": "Prepare the HTTP target",
            "kind": "task",
            "task": {
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                {
                  "jsonSchema": {
                    "type": "string"
                  },
                  "nullable": false,
                  "handle": "initialUrl"
                },
                {
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                  },
                  "nullable": false,
                  "handle": "index"
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                {
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": true
                  },
                  "nullable": true,
                  "handle": "previousState"
                }
              ],
              "outputs": [
                {
                  "jsonSchema": {
                    "type": "string"
                  },
                  "nullable": false,
                  "handle": "url"
                }
              ],
              "name": "Prepare the HTTP target",
              "moduleId": "n_efd0c12465c91996",
              "capabilities": [
                {
                  "kind": "connector",
                  "mode": "independent",
                  "actions": []
                }
              ]
            }
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                    "nodeId": "n_d8bca861c26d02f5",
                    "output": "url"
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                ]
              }
            },
            "name": "Check the server",
            "onError": "error",
            "kind": "task",
            "task": {
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                  "jsonSchema": {
                    "type": "string"
                  },
                  "nullable": false,
                  "handle": "url"
                }
              ],
              "outputs": [
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                  "jsonSchema": {
                    "type": "string"
                  },
                  "nullable": true,
                  "handle": "body"
                },
                {
                  "jsonSchema": {
                    "type": "integer"
                  },
                  "nullable": false,
                  "handle": "statusCode"
                },
                {
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                    "additionalProperties": {
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                    }
                  },
                  "nullable": false,
                  "handle": "headers"
                }
              ],
              "name": "Check the server",
              "executor": {
                "method": "GET",
                "query": {
                  "mode": "fields",
                  "names": []
                },
                "headers": {
                  "mode": "fields",
                  "names": []
                },
                "bodyFormat": "none",
                "authentication": {
                  "type": "none"
                },
                "responseFormat": "text",
                "statusPolicy": "all",
                "kind": "http-request"
              }
            }
          },
          "n_f522409bab73fc34": {
            "inputs": {},
            "name": "Did the check succeed?",
            "kind": "condition",
            "matchMode": "first",
            "cases": [
              {
                "output": "alive",
                "groups": [
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                          "source": {
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                            "nodeId": "n_96c07942c4534459",
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                            "system": true
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                        "operator": "isNull"
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                "sources": [
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                    "nodeId": "n_d8bca861c26d02f5",
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                "sources": [
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              "status": {
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                "sources": [
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                    "nodeId": "n_96c07942c4534459",
                    "output": "statusCode"
                  }
                ]
              },
              "headers": {
                "kind": "sources",
                "sources": [
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                    "kind": "node",
                    "nodeId": "n_96c07942c4534459",
                    "output": "headers"
                  }
                ]
              },
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                    "nodeId": "n_dd8778e111e2e3f7",
                    "output": "state"
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                ]
              }
            },
            "name": "Evaluate the response",
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            "task": {
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                  "jsonSchema": {
                    "type": "string"
                  },
                  "nullable": false,
                  "handle": "url"
                },
                {
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                    "type": "integer",
                    "minimum": 0
                  },
                  "nullable": false,
                  "handle": "index"
                },
                {
                  "jsonSchema": {
                    "type": "integer"
                  },
                  "nullable": true,
                  "handle": "status"
                },
                {
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                    "type": "object",
                    "additionalProperties": {
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                    }
                  },
                  "nullable": true,
                  "handle": "headers"
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                {
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": true
                  },
                  "nullable": true,
                  "handle": "previousState"
                }
              ],
              "outputs": [
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                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": true
                  },
                  "nullable": false,
                  "handle": "state"
                },
                {
                  "jsonSchema": {
                    "type": "boolean"
                  },
                  "nullable": false,
                  "handle": "redirect"
                },
                {
                  "jsonSchema": {
                    "type": "boolean"
                  },
                  "nullable": false,
                  "handle": "alive"
                }
              ],
              "name": "Evaluate the response",
              "moduleId": "n_2f8749b64ac2096c",
              "capabilities": [
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                  "kind": "connector",
                  "mode": "independent",
                  "actions": []
                }
              ]
            }
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            "name": "Follow a redirect?",
            "kind": "condition",
            "matchMode": "first",
            "cases": [
              {
                "output": "follow",
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                          "source": {
                            "kind": "node",
                            "nodeId": "n_dd8778e111e2e3f7",
                            "output": "redirect"
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                        "operator": "isTrue"
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            "inputs": {
              "server": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_5f3de78b7d76b2d5",
                    "output": "server"
                  }
                ]
              },
              "status": {
                "kind": "value",
                "value": "Alive"
              }
            },
            "name": "Prepare the alive log",
            "kind": "task",
            "task": {
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                    "type": "string"
                  },
                  "nullable": false,
                  "handle": "server"
                },
                {
                  "jsonSchema": {
                    "type": "string"
                  },
                  "nullable": false,
                  "handle": "status"
                }
              ],
              "outputs": [
                {
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                    "items": {
                      "type": "array",
                      "items": {
                        "anyOf": [
                          {
                            "type": "string",
                            "description": "A union variant."
                          },
                          {
                            "type": "number",
                            "description": "A union variant."
                          },
                          {
                            "type": "boolean",
                            "description": "A union variant."
                          },
                          {
                            "const": null,
                            "description": "A union variant."
                          }
                        ],
                        "description": "The cell value schema."
                      },
                      "description": "An array item."
                    },
                    "description": "The data to append."
                  },
                  "nullable": false,
                  "handle": "values"
                },
                {
                  "jsonSchema": {
                    "type": "string"
                  },
                  "nullable": false,
                  "handle": "subject"
                },
                {
                  "jsonSchema": {
                    "type": "string"
                  },
                  "nullable": false,
                  "handle": "message"
                }
              ],
              "name": "Prepare the alive log",
              "moduleId": "n_99b848e7054f141a",
              "capabilities": [
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                  "mode": "independent",
                  "actions": []
                }
              ]
            }
          },
          "n_9d4e3b7a6f4485d7": {
            "inputs": {
              "server": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_5f3de78b7d76b2d5",
                    "output": "server"
                  }
                ]
              },
              "status": {
                "kind": "value",
                "value": "Down"
              }
            },
            "name": "Prepare the down alert",
            "kind": "task",
            "task": {
              "inputs": [
                {
                  "jsonSchema": {
                    "type": "string"
                  },
                  "nullable": false,
                  "handle": "server"
                },
                {
                  "jsonSchema": {
                    "type": "string"
                  },
                  "nullable": false,
                  "handle": "status"
                }
              ],
              "outputs": [
                {
                  "jsonSchema": {
                    "type": "array",
                    "items": {
                      "type": "array",
                      "items": {
                        "anyOf": [
                          {
                            "type": "string",
                            "description": "A union variant."
                          },
                          {
                            "type": "number",
                            "description": "A union variant."
                          },
                          {
                            "type": "boolean",
                            "description": "A union variant."
                          },
                          {
                            "const": null,
                            "description": "A union variant."
                          }
                        ],
                        "description": "The cell value schema."
                      },
                      "description": "An array item."
                    },
                    "description": "The data to append."
                  },
                  "nullable": false,
                  "handle": "values"
                },
                {
                  "jsonSchema": {
                    "type": "string"
                  },
                  "nullable": false,
                  "handle": "subject"
                },
                {
                  "jsonSchema": {
                    "type": "string"
                  },
                  "nullable": false,
                  "handle": "message"
                }
              ],
              "name": "Prepare the down alert",
              "moduleId": "n_ce3e40b53b641f1f",
              "capabilities": [
                {
                  "kind": "connector",
                  "mode": "independent",
                  "actions": []
                }
              ]
            }
          },
          "n_6e8ca9464896b299": {
            "inputs": {
              "spreadsheetId": {
                "kind": "value",
                "value": "YOUR_SPREADSHEET_ID"
              },
              "range": {
                "kind": "value",
                "value": "'Server_Status_Alive'!A:C"
              },
              "values": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_0bb6bb6f26f4d45d",
                    "output": "values"
                  }
                ]
              },
              "valueInputOption": {
                "kind": "value",
                "value": "RAW"
              },
              "insertDataOption": {
                "kind": "value",
                "value": "INSERT_ROWS"
              }
            },
            "name": "Log the alive server",
            "kind": "task",
            "task": {
              "inputs": [
                {
                  "description": "The spreadsheet ID.",
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1,
                    "description": "The spreadsheet ID."
                  },
                  "nullable": true,
                  "handle": "spreadsheetId",
                  "value": null
                },
                {
                  "description": "The A1 notation of the range to append values after.",
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1,
                    "description": "The A1 notation of the range to append values after."
                  },
                  "nullable": false,
                  "handle": "range"
                },
                {
                  "description": "The data to append.",
                  "jsonSchema": {
                    "type": "array",
                    "items": {
                      "type": "array",
                      "items": {
                        "anyOf": [
                          {
                            "type": "string",
                            "description": "A union variant."
                          },
                          {
                            "type": "number",
                            "description": "A union variant."
                          },
                          {
                            "type": "boolean",
                            "description": "A union variant."
                          },
                          {
                            "const": null,
                            "description": "A union variant."
                          }
                        ],
                        "description": "The cell value schema."
                      },
                      "description": "An array item."
                    },
                    "description": "The data to append."
                  },
                  "nullable": false,
                  "handle": "values"
                },
                {
                  "description": "The major dimension of the values array.",
                  "jsonSchema": {
                    "type": "string",
                    "enum": [
                      "ROWS",
                      "COLUMNS"
                    ],
                    "description": "The major dimension of the values array."
                  },
                  "nullable": true,
                  "handle": "majorDimension",
                  "value": null
                },
                {
                  "description": "How the data should be inserted.",
                  "jsonSchema": {
                    "type": "string",
                    "enum": [
                      "OVERWRITE",
                      "INSERT_ROWS"
                    ],
                    "description": "How the data should be inserted."
                  },
                  "nullable": true,
                  "handle": "insertDataOption",
                  "value": null
                },
                {
                  "description": "How the input data should be interpreted.",
                  "jsonSchema": {
                    "type": "string",
                    "enum": [
                      "RAW",
                      "USER_ENTERED"
                    ],
                    "description": "How the input data should be interpreted."
                  },
                  "nullable": true,
                  "handle": "valueInputOption",
                  "value": null
                },
                {
                  "description": "Whether to include the appended values in the response.",
                  "jsonSchema": {
                    "type": "boolean",
                    "description": "Whether to include the appended values in the response."
                  },
                  "nullable": true,
                  "handle": "includeValuesInResponse",
                  "value": null
                },
                {
                  "description": "How values in the response should be rendered.",
                  "jsonSchema": {
                    "type": "string",
                    "enum": [
                      "FORMATTED_VALUE",
                      "UNFORMATTED_VALUE",
                      "FORMULA"
                    ],
                    "description": "How values in the response should be rendered."
                  },
                  "nullable": true,
                  "handle": "responseValueRenderOption",
                  "value": null
                },
                {
                  "description": "How dates in the response should be rendered.",
                  "jsonSchema": {
                    "type": "string",
                    "enum": [
                      "SERIAL_NUMBER",
                      "FORMATTED_STRING"
                    ],
                    "description": "How dates in the response should be rendered."
                  },
                  "nullable": true,
                  "handle": "responseDateTimeRenderOption",
                  "value": null
                }
              ],
              "outputs": [
                {
                  "description": "The unique ID of the spreadsheet.",
                  "jsonSchema": {
                    "type": "string",
                    "description": "The unique ID of the spreadsheet."
                  },
                  "nullable": false,
                  "handle": "spreadsheetId"
                },
                {
                  "description": "The A1 notation of the range that was updated.",
                  "jsonSchema": {
                    "type": "string",
                    "description": "The A1 notation of the range that was updated."
                  },
                  "nullable": false,
                  "handle": "updatedRange"
                },
                {
                  "description": "The number of rows that were updated.",
                  "jsonSchema": {
                    "type": "integer",
                    "description": "The number of rows that were updated."
                  },
                  "nullable": false,
                  "handle": "updatedRows"
                },
                {
                  "description": "The number of columns that were updated.",
                  "jsonSchema": {
                    "type": "integer",
                    "description": "The number of columns that were updated."
                  },
                  "nullable": false,
                  "handle": "updatedColumns"
                },
                {
                  "description": "The number of cells that were updated.",
                  "jsonSchema": {
                    "type": "integer",
                    "description": "The number of cells that were updated."
                  },
                  "nullable": false,
                  "handle": "updatedCells"
                },
                {
                  "description": "The values of the cells after the update.",
                  "jsonSchema": {
                    "type": "object",
                    "properties": {
                      "range": {
                        "type": "string",
                        "description": "The A1 notation of the range."
                      },
                      "majorDimension": {
                        "type": "string",
                        "description": "The major dimension of the values (ROWS or COLUMNS)."
                      },
                      "values": {
                        "type": "array",
                        "items": {
                          "type": "array",
                          "items": {
                            "anyOf": [
                              {
                                "type": "string",
                                "description": "A union variant."
                              },
                              {
                                "type": "number",
                                "description": "A union variant."
                              },
                              {
                                "type": "boolean",
                                "description": "A union variant."
                              },
                              {
                                "const": null,
                                "description": "A union variant."
                              }
                            ],
                            "description": "The cell value schema."
                          },
                          "description": "An array item."
                        },
                        "description": "The data values in the range."
                      }
                    },
                    "required": [
                      "range",
                      "majorDimension",
                      "values"
                    ],
                    "additionalProperties": false,
                    "description": "The values of the cells after the update."
                  },
                  "nullable": true,
                  "handle": "updatedData"
                },
                {
                  "description": "The A1 notation of the table range that data was appended to.",
                  "jsonSchema": {
                    "type": "string",
                    "description": "The A1 notation of the table range that data was appended to."
                  },
                  "nullable": false,
                  "handle": "tableRange"
                }
              ],
              "name": "Log the alive server",
              "executor": {
                "kind": "connector",
                "action": "googlesheets.spreadsheets_values_append"
              }
            }
          },
          "n_3ee2f46c7c0b180b": {
            "inputs": {
              "to": {
                "kind": "value",
                "value": "YOUR_ALERT_EMAIL"
              },
              "subject": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_9d4e3b7a6f4485d7",
                    "output": "subject"
                  }
                ]
              },
              "body": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_9d4e3b7a6f4485d7",
                    "output": "message"
                  }
                ]
              },
              "isHtml": {
                "kind": "value",
                "value": false
              }
            },
            "name": "Email the down alert",
            "kind": "task",
            "task": {
              "inputs": [
                {
                  "description": "Primary recipient email address.",
                  "jsonSchema": {
                    "type": "string",
                    "description": "Primary recipient email address."
                  },
                  "nullable": true,
                  "handle": "to",
                  "value": null
                },
                {
                  "description": "Additional To recipients.",
                  "jsonSchema": {
                    "type": "array",
                    "items": {
                      "type": "string",
                      "description": "An array item."
                    },
                    "description": "Additional To recipients."
                  },
                  "nullable": true,
                  "handle": "extraRecipients",
                  "value": null
                },
                {
                  "description": "Cc recipients.",
                  "jsonSchema": {
                    "anyOf": [
                      {
                        "type": "string",
                        "description": "A union variant."
                      },
                      {
                        "type": "array",
                        "items": {
                          "type": "string",
                          "description": "An array item."
                        },
                        "description": "A union variant."
                      }
                    ],
                    "description": "Cc recipients."
                  },
                  "nullable": true,
                  "handle": "cc",
                  "value": null
                },
                {
                  "description": "Bcc recipients.",
                  "jsonSchema": {
                    "anyOf": [
                      {
                        "type": "string",
                        "description": "A union variant."
                      },
                      {
                        "type": "array",
                        "items": {
                          "type": "string",
                          "description": "An array item."
                        },
                        "description": "A union variant."
                      }
                    ],
                    "description": "Bcc recipients."
                  },
                  "nullable": true,
                  "handle": "bcc",
                  "value": null
                },
                {
                  "description": "Email subject line.",
                  "jsonSchema": {
                    "type": "string",
                    "description": "Email subject line."
                  },
                  "nullable": true,
                  "handle": "subject",
                  "value": null
                },
                {
                  "description": "Email body content.",
                  "jsonSchema": {
                    "type": "string",
                    "description": "Email body content."
                  },
                  "nullable": true,
                  "handle": "body",
                  "value": null
                },
                {
                  "description": "Set to true when the body content is already HTML.",
                  "jsonSchema": {
                    "type": "boolean",
                    "description": "Set to true when the body content is already HTML."
                  },
                  "nullable": true,
                  "handle": "isHtml",
                  "value": null
                },
                {
                  "description": "Attachments and CID inline images. Up to 25,000,000 decoded bytes in total and 35,000,000 MIME bytes.",
                  "jsonSchema": {
                    "type": "array",
                    "items": {
                      "type": "object",
                      "properties": {
                        "filename": {
                          "type": "string",
                          "description": "Attachment filename; omit for an unnamed attachment."
                        },
                        "mimeType": {
                          "type": "string",
                          "description": "MIME type without parameters; defaults to application/octet-stream."
                        },
                        "contentBase64": {
                          "type": "string",
                          "description": "Standard padded Base64 content. Empty string represents a zero-byte file. Supply this or fileUrl."
                        },
                        "fileUrl": {
                          "type": "string",
                          "format": "uri",
                          "description": "Public URL to download the attachment. Supply this or contentBase64."
                        },
                        "contentId": {
                          "type": "string",
                          "minLength": 1,
                          "description": "Bare Content-ID without cid: or angle brackets; reference it as cid:<contentId> in HTML."
                        },
                        "disposition": {
                          "type": "string",
                          "enum": [
                            "inline",
                            "attachment"
                          ],
                          "description": "Defaults to inline when contentId is set, otherwise attachment. Inline requires contentId."
                        }
                      },
                      "additionalProperties": false,
                      "description": "An attachment or CID inline resource.",
                      "oneOf": [
                        {
                          "required": [
                            "contentBase64"
                          ]
                        },
                        {
                          "required": [
                            "fileUrl"
                          ]
                        }
                      ]
                    },
                    "maxItems": 100,
                    "description": "Attachments and CID inline images. Up to 25,000,000 decoded bytes in total and 35,000,000 MIME bytes."
                  },
                  "nullable": true,
                  "handle": "attachments",
                  "value": null
                },
                {
                  "description": "Verified Gmail send-as alias to use in the From header.",
                  "jsonSchema": {
                    "type": "string",
                    "description": "Verified Gmail send-as alias to use in the From header."
                  },
                  "nullable": true,
                  "handle": "fromEmail",
                  "value": null
                }
              ],
              "outputs": [
                {
                  "description": "Gmail message ID.",
                  "jsonSchema": {
                    "type": "string",
                    "description": "Gmail message ID."
                  },
                  "nullable": false,
                  "handle": "messageId"
                },
                {
                  "description": "Gmail thread ID.",
                  "jsonSchema": {
                    "type": "string",
                    "description": "Gmail thread ID."
                  },
                  "nullable": true,
                  "handle": "threadId"
                }
              ],
              "name": "Email the down alert",
              "executor": {
                "kind": "connector",
                "action": "gmail.send_email"
              }
            }
          },
          "n_1f22a2c234fbbcab": {
            "inputs": {
              "server": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_5f3de78b7d76b2d5",
                    "output": "server"
                  }
                ]
              },
              "status": {
                "kind": "value",
                "value": "Down"
              }
            },
            "name": "Prepare the down log",
            "kind": "task",
            "task": {
              "inputs": [
                {
                  "jsonSchema": {
                    "type": "string"
                  },
                  "nullable": false,
                  "handle": "server"
                },
                {
                  "jsonSchema": {
                    "type": "string"
                  },
                  "nullable": false,
                  "handle": "status"
                }
              ],
              "outputs": [
                {
                  "jsonSchema": {
                    "type": "array",
                    "items": {
                      "type": "array",
                      "items": {
                        "anyOf": [
                          {
                            "type": "string",
                            "description": "A union variant."
                          },
                          {
                            "type": "number",
                            "description": "A union variant."
                          },
                          {
                            "type": "boolean",
                            "description": "A union variant."
                          },
                          {
                            "const": null,
                            "description": "A union variant."
                          }
                        ],
                        "description": "The cell value schema."
                      },
                      "description": "An array item."
                    },
                    "description": "The data to append."
                  },
                  "nullable": false,
                  "handle": "values"
                },
                {
                  "jsonSchema": {
                    "type": "string"
                  },
                  "nullable": false,
                  "handle": "subject"
                },
                {
                  "jsonSchema": {
                    "type": "string"
                  },
                  "nullable": false,
                  "handle": "message"
                }
              ],
              "name": "Prepare the down log",
              "moduleId": "n_0aeb1626c50ca05d",
              "capabilities": [
                {
                  "kind": "connector",
                  "mode": "independent",
                  "actions": []
                }
              ]
            }
          },
          "n_7e00b039f327412e": {
            "inputs": {
              "spreadsheetId": {
                "kind": "value",
                "value": "YOUR_SPREADSHEET_ID"
              },
              "range": {
                "kind": "value",
                "value": "'Server_Status_Down'!A:C"
              },
              "values": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_1f22a2c234fbbcab",
                    "output": "values"
                  }
                ]
              },
              "valueInputOption": {
                "kind": "value",
                "value": "RAW"
              },
              "insertDataOption": {
                "kind": "value",
                "value": "INSERT_ROWS"
              }
            },
            "name": "Log the down server",
            "kind": "task",
            "task": {
              "inputs": [
                {
                  "description": "The spreadsheet ID.",
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1,
                    "description": "The spreadsheet ID."
                  },
                  "nullable": true,
                  "handle": "spreadsheetId",
                  "value": null
                },
                {
                  "description": "The A1 notation of the range to append values after.",
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1,
                    "description": "The A1 notation of the range to append values after."
                  },
                  "nullable": false,
                  "handle": "range"
                },
                {
                  "description": "The data to append.",
                  "jsonSchema": {
                    "type": "array",
                    "items": {
                      "type": "array",
                      "items": {
                        "anyOf": [
                          {
                            "type": "string",
                            "description": "A union variant."
                          },
                          {
                            "type": "number",
                            "description": "A union variant."
                          },
                          {
                            "type": "boolean",
                            "description": "A union variant."
                          },
                          {
                            "const": null,
                            "description": "A union variant."
                          }
                        ],
                        "description": "The cell value schema."
                      },
                      "description": "An array item."
                    },
                    "description": "The data to append."
                  },
                  "nullable": false,
                  "handle": "values"
                },
                {
                  "description": "The major dimension of the values array.",
                  "jsonSchema": {
                    "type": "string",
                    "enum": [
                      "ROWS",
                      "COLUMNS"
                    ],
                    "description": "The major dimension of the values array."
                  },
                  "nullable": true,
                  "handle": "majorDimension",
                  "value": null
                },
                {
                  "description": "How the data should be inserted.",
                  "jsonSchema": {
                    "type": "string",
                    "enum": [
                      "OVERWRITE",
                      "INSERT_ROWS"
                    ],
                    "description": "How the data should be inserted."
                  },
                  "nullable": true,
                  "handle": "insertDataOption",
                  "value": null
                },
                {
                  "description": "How the input data should be interpreted.",
                  "jsonSchema": {
                    "type": "string",
                    "enum": [
                      "RAW",
                      "USER_ENTERED"
                    ],
                    "description": "How the input data should be interpreted."
                  },
                  "nullable": true,
                  "handle": "valueInputOption",
                  "value": null
                },
                {
                  "description": "Whether to include the appended values in the response.",
                  "jsonSchema": {
                    "type": "boolean",
                    "description": "Whether to include the appended values in the response."
                  },
                  "nullable": true,
                  "handle": "includeValuesInResponse",
                  "value": null
                },
                {
                  "description": "How values in the response should be rendered.",
                  "jsonSchema": {
                    "type": "string",
                    "enum": [
                      "FORMATTED_VALUE",
                      "UNFORMATTED_VALUE",
                      "FORMULA"
                    ],
                    "description": "How values in the response should be rendered."
                  },
                  "nullable": true,
                  "handle": "responseValueRenderOption",
                  "value": null
                },
                {
                  "description": "How dates in the response should be rendered.",
                  "jsonSchema": {
                    "type": "string",
                    "enum": [
                      "SERIAL_NUMBER",
                      "FORMATTED_STRING"
                    ],
                    "description": "How dates in the response should be rendered."
                  },
                  "nullable": true,
                  "handle": "responseDateTimeRenderOption",
                  "value": null
                }
              ],
              "outputs": [
                {
                  "description": "The unique ID of the spreadsheet.",
                  "jsonSchema": {
                    "type": "string",
                    "description": "The unique ID of the spreadsheet."
                  },
                  "nullable": false,
                  "handle": "spreadsheetId"
                },
                {
                  "description": "The A1 notation of the range that was updated.",
                  "jsonSchema": {
                    "type": "string",
                    "description": "The A1 notation of the range that was updated."
                  },
                  "nullable": false,
                  "handle": "updatedRange"
                },
                {
                  "description": "The number of rows that were updated.",
                  "jsonSchema": {
                    "type": "integer",
                    "description": "The number of rows that were updated."
                  },
                  "nullable": false,
                  "handle": "updatedRows"
                },
                {
                  "description": "The number of columns that were updated.",
                  "jsonSchema": {
                    "type": "integer",
                    "description": "The number of columns that were updated."
                  },
                  "nullable": false,
                  "handle": "updatedColumns"
                },
                {
                  "description": "The number of cells that were updated.",
                  "jsonSchema": {
                    "type": "integer",
                    "description": "The number of cells that were updated."
                  },
                  "nullable": false,
                  "handle": "updatedCells"
                },
                {
                  "description": "The values of the cells after the update.",
                  "jsonSchema": {
                    "type": "object",
                    "properties": {
                      "range": {
                        "type": "string",
                        "description": "The A1 notation of the range."
                      },
                      "majorDimension": {
                        "type": "string",
                        "description": "The major dimension of the values (ROWS or COLUMNS)."
                      },
                      "values": {
                        "type": "array",
                        "items": {
                          "type": "array",
                          "items": {
                            "anyOf": [
                              {
                                "type": "string",
                                "description": "A union variant."
                              },
                              {
                                "type": "number",
                                "description": "A union variant."
                              },
                              {
                                "type": "boolean",
                                "description": "A union variant."
                              },
                              {
                                "const": null,
                                "description": "A union variant."
                              }
                            ],
                            "description": "The cell value schema."
                          },
                          "description": "An array item."
                        },
                        "description": "The data values in the range."
                      }
                    },
                    "required": [
                      "range",
                      "majorDimension",
                      "values"
                    ],
                    "additionalProperties": false,
                    "description": "The values of the cells after the update."
                  },
                  "nullable": true,
                  "handle": "updatedData"
                },
                {
                  "description": "The A1 notation of the table range that data was appended to.",
                  "jsonSchema": {
                    "type": "string",
                    "description": "The A1 notation of the table range that data was appended to."
                  },
                  "nullable": false,
                  "handle": "tableRange"
                }
              ],
              "name": "Log the down server",
              "executor": {
                "kind": "connector",
                "action": "googlesheets.spreadsheets_values_append"
              }
            }
          },
          "n_cca3b8e7ad861ad3": {
            "name": "Checked server count",
            "kind": "outputs",
            "outputDefs": [
              {
                "jsonSchema": {
                  "type": "integer",
                  "minimum": 0
                },
                "nullable": false,
                "handle": "count"
              }
            ],
            "outputMappings": {
              "count": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_5f3de78b7d76b2d5",
                    "output": "count"
                  }
                ]
              }
            }
          }
        },
        "edges": [
          {
            "source": "n_e131587621e6a650",
            "target": "n_93278ff6064ad7b7"
          },
          {
            "source": "n_93278ff6064ad7b7",
            "target": "n_5f3de78b7d76b2d5"
          },
          {
            "source": "n_5f3de78b7d76b2d5",
            "target": "n_1846e3ec3ddeedfd"
          },
          {
            "source": "n_1846e3ec3ddeedfd",
            "target": "n_d8bca861c26d02f5",
            "sourceHandle": "check"
          },
          {
            "source": "n_d8bca861c26d02f5",
            "target": "n_96c07942c4534459"
          },
          {
            "source": "n_96c07942c4534459",
            "target": "n_f522409bab73fc34"
          },
          {
            "source": "n_f522409bab73fc34",
            "target": "n_dd8778e111e2e3f7",
            "sourceHandle": "alive"
          },
          {
            "source": "n_f522409bab73fc34",
            "target": "n_9d4e3b7a6f4485d7",
            "sourceHandle": "otherwise"
          },
          {
            "source": "n_dd8778e111e2e3f7",
            "target": "n_f7b609de05620b6c"
          },
          {
            "source": "n_f7b609de05620b6c",
            "target": "n_d8bca861c26d02f5",
            "sourceHandle": "follow"
          },
          {
            "source": "n_f7b609de05620b6c",
            "target": "n_ded1fc8882bd566c",
            "sourceHandle": "otherwise"
          },
          {
            "source": "n_ded1fc8882bd566c",
            "target": "n_0bb6bb6f26f4d45d",
            "sourceHandle": "alive"
          },
          {
            "source": "n_ded1fc8882bd566c",
            "target": "n_9d4e3b7a6f4485d7",
            "sourceHandle": "otherwise"
          },
          {
            "source": "n_0bb6bb6f26f4d45d",
            "target": "n_6e8ca9464896b299"
          },
          {
            "source": "n_9d4e3b7a6f4485d7",
            "target": "n_3ee2f46c7c0b180b"
          },
          {
            "source": "n_6e8ca9464896b299",
            "target": "n_5f3de78b7d76b2d5"
          },
          {
            "source": "n_3ee2f46c7c0b180b",
            "target": "n_1f22a2c234fbbcab"
          },
          {
            "source": "n_1f22a2c234fbbcab",
            "target": "n_7e00b039f327412e"
          },
          {
            "source": "n_7e00b039f327412e",
            "target": "n_5f3de78b7d76b2d5"
          },
          {
            "source": "n_1846e3ec3ddeedfd",
            "target": "n_cca3b8e7ad861ad3",
            "sourceHandle": "otherwise"
          }
        ]
      }
    },
    "modules": {
      "n_0c2bda3738594591": {
        "name": "Prepare the next server",
        "imports": [],
        "source": "export default function nextServer({values,previousState}) {\n if(!Array.isArray(values))throw Error('Invalid server sheet');\n const idx=previousState?.index??0;if(!Number.isInteger(idx)||idx<0)throw Error('Invalid monitor state');\n if(values.length===0)return {state:{index:0},more:false,url:'http://unused.invalid',server:'',count:0};\n const header=values[0];if(!Array.isArray(header)||header.filter(v=>v==='Server').length!==1)throw Error('Server_List needs one Server header');const column=header.indexOf('Server');\n const rows=values.slice(1).filter(r=>Array.isArray(r)&&r.some(v=>v!==''&&v!==null));if(idx>=rows.length)return {state:{index:idx},more:false,url:'http://unused.invalid',server:'',count:idx};\n const server=rows[idx][column];if(typeof server!=='string'||!server.trim()||/[\\r\\n]/.test(server))throw Error('Every server row needs a server address');return{state:{index:idx+1},more:true,url:'http://'+server,server,count:idx+1};\n}\n"
      },
      "n_efd0c12465c91996": {
        "name": "Prepare the HTTP target",
        "imports": [],
        "source": "export default function serverHop({initialUrl,index,previousState}) {\n return {url:previousState?.index===index&&previousState?.nextUrl?previousState.nextUrl:initialUrl};\n}\n"
      },
      "n_2f8749b64ac2096c": {
        "name": "Evaluate the response",
        "imports": [],
        "source": "export default function assessServer({url,index,status,headers,previousState}) {\n const prior=previousState?.index===index?previousState.hops:0;if(!Number.isInteger(prior)||prior<0)throw Error('Invalid redirect state');\n if((status>=300&&status<400)&&typeof headers?.location==='string'&&headers.location){\n  if(prior>=21)return {state:{index,hops:prior,nextUrl:''},redirect:false,alive:false};\n  try{const target=new URL(headers.location,url);if(!['http:','https:'].includes(target.protocol)||target.username||target.password)throw Error();return{state:{index,hops:prior+1,nextUrl:target.toString()},redirect:true,alive:false};}catch{return {state:{index,hops:prior,nextUrl:''},redirect:false,alive:false};}\n }\n return {state:{index,hops:prior,nextUrl:''},redirect:false,alive:status>=200&&status<300};\n}\n"
      },
      "n_99b848e7054f141a": {
        "name": "Prepare the alive log",
        "imports": [],
        "source": "export default function serverFields({server,status}) {\n if(typeof server!=='string'||!server||!['Alive','Down'].includes(status))throw Error('Invalid server or status');\n const now=new Date().toISOString(),day=now.slice(0,10),stamp=now.slice(0,19).replace('T',' ');\n return {values:[[server,status==='Alive'?day:stamp,status]],subject:'🔻 Server Down: '+server+': '+day,message:'Hi Team,\\n\\nAt '+stamp+', the following server failed its HTTP check:\\n\\n🔻 Server Down: '+server+'\\n\\nPlease investigate immediately to prevent service disruption.\\n\\nAutomated Monitoring System\\n'};\n}\n"
      },
      "n_ce3e40b53b641f1f": {
        "name": "Prepare the down alert",
        "imports": [],
        "source": "export default function serverFields({server,status}) {\n if(typeof server!=='string'||!server||!['Alive','Down'].includes(status))throw Error('Invalid server or status');\n const now=new Date().toISOString(),day=now.slice(0,10),stamp=now.slice(0,19).replace('T',' ');\n return {values:[[server,status==='Alive'?day:stamp,status]],subject:'🔻 Server Down: '+server+': '+day,message:'Hi Team,\\n\\nAt '+stamp+', the following server failed its HTTP check:\\n\\n🔻 Server Down: '+server+'\\n\\nPlease investigate immediately to prevent service disruption.\\n\\nAutomated Monitoring System\\n'};\n}\n"
      },
      "n_0aeb1626c50ca05d": {
        "name": "Prepare the down log",
        "imports": [],
        "source": "export default function serverFields({server,status}) {\n if(typeof server!=='string'||!server||!['Alive','Down'].includes(status))throw Error('Invalid server or status');\n const now=new Date().toISOString(),day=now.slice(0,10),stamp=now.slice(0,19).replace('T',' ');\n return {values:[[server,status==='Alive'?day:stamp,status]],subject:'🔻 Server Down: '+server+': '+day,message:'Hi Team,\\n\\nAt '+stamp+', the following server failed its HTTP check:\\n\\n🔻 Server Down: '+server+'\\n\\nPlease investigate immediately to prevent service disruption.\\n\\nAutomated Monitoring System\\n'};\n}\n"
      }
    }
  },
  "presentation": {
    "designer": {
      "version": 1,
      "flow": {
        "direction": "vertical"
      }
    }
  }
}