{
  "kind": "open-flow-workflow",
  "version": 1,
  "name": "Create a Mattermost Channel and Welcome a Member",
  "content": {
    "modelVersion": 14,
    "document": {
      "bindings": {},
      "graph": {
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            "name": "Welcome a channel member",
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              "teamId": {
                "kind": "value",
                "value": "YOUR_MATTERMOST_TEAM_ID"
              },
              "userId": {
                "kind": "value",
                "value": "YOUR_MATTERMOST_USER_ID"
              },
              "channelName": {
                "kind": "value",
                "value": "docs"
              },
              "displayName": {
                "kind": "value",
                "value": "Docs"
              },
              "message": {
                "kind": "value",
                "value": "Hey! Welcome to the channel!"
              }
            },
            "name": "Choose team, user and channel",
            "kind": "task",
            "task": {
              "inputs": [
                {
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1
                  },
                  "nullable": false,
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                    "type": "string",
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                  "nullable": false,
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                {
                  "jsonSchema": {
                    "type": "string",
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                  "nullable": false,
                  "handle": "message"
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              ],
              "outputs": [
                {
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": true
                  },
                  "nullable": false,
                  "handle": "createBody"
                },
                {
                  "jsonSchema": {
                    "type": "string",
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                  "nullable": false,
                  "handle": "userId"
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                {
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                "kind": "value",
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                    "kind": "node",
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                  "jsonSchema": {
                    "type": "string"
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                  "nullable": false,
                  "handle": "endpoint"
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                {
                  "jsonSchema": {},
                  "nullable": true,
                  "handle": "body"
                }
              ],
              "outputs": [
                {
                  "jsonSchema": {},
                  "nullable": true,
                  "handle": "body"
                },
                {
                  "jsonSchema": {
                    "type": "integer"
                  },
                  "nullable": false,
                  "handle": "statusCode"
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                    "type": "object",
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                      "type": "string"
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                  },
                  "nullable": false,
                  "handle": "headers"
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                {
                  "jsonSchema": {
                    "const": "base64"
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                  "nullable": true,
                  "handle": "bodyEncoding"
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              ],
              "name": "Create the public channel",
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                "providerId": "mattermost",
                "method": "POST",
                "query": {
                  "mode": "fields",
                  "names": []
                },
                "headers": {
                  "mode": "fields",
                  "names": []
                },
                "bodyFormat": "json",
                "kind": "connector-proxy"
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          },
          "n_7ab1bc1f0d3fa095": {
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              "statusCode": {
                "kind": "sources",
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                  {
                    "kind": "node",
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                    "kind": "node",
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                    "kind": "node",
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                    "kind": "node",
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                ]
              }
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            "name": "Confirm the new channel",
            "kind": "task",
            "task": {
              "inputs": [
                {
                  "jsonSchema": {
                    "type": "integer"
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                  "nullable": false,
                  "handle": "statusCode"
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                {
                  "jsonSchema": {},
                  "nullable": true,
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                {
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1
                  },
                  "nullable": false,
                  "handle": "message"
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              ],
              "outputs": [
                {
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": true
                  },
                  "nullable": false,
                  "handle": "channel"
                },
                {
                  "jsonSchema": {
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                    "kind": "node",
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                    "output": "memberEndpoint"
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                  "jsonSchema": {
                    "type": "string"
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                  "nullable": false,
                  "handle": "endpoint"
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                {
                  "jsonSchema": {},
                  "nullable": true,
                  "handle": "body"
                }
              ],
              "outputs": [
                {
                  "jsonSchema": {},
                  "nullable": true,
                  "handle": "body"
                },
                {
                  "jsonSchema": {
                    "type": "integer"
                  },
                  "nullable": false,
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                {
                  "jsonSchema": {
                    "type": "object",
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                      "type": "string"
                    }
                  },
                  "nullable": false,
                  "handle": "headers"
                },
                {
                  "jsonSchema": {
                    "const": "base64"
                  },
                  "nullable": true,
                  "handle": "bodyEncoding"
                }
              ],
              "name": "Add the chosen member",
              "executor": {
                "providerId": "mattermost",
                "method": "POST",
                "query": {
                  "mode": "fields",
                  "names": []
                },
                "headers": {
                  "mode": "fields",
                  "names": []
                },
                "bodyFormat": "json",
                "kind": "connector-proxy"
              }
            }
          },
          "n_ec8648164893e69d": {
            "inputs": {
              "statusCode": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_0905ed0aa3958eb7",
                    "output": "statusCode"
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              },
              "membership": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
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                    "output": "body"
                  }
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              },
              "channel": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_7ab1bc1f0d3fa095",
                    "output": "channel"
                  }
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              },
              "userId": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_120e2241c726e5cd",
                    "output": "userId"
                  }
                ]
              },
              "message": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_7ab1bc1f0d3fa095",
                    "output": "message"
                  }
                ]
              }
            },
            "name": "Confirm channel membership",
            "kind": "task",
            "task": {
              "inputs": [
                {
                  "jsonSchema": {
                    "type": "integer"
                  },
                  "nullable": false,
                  "handle": "statusCode"
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                {
                  "jsonSchema": {},
                  "nullable": true,
                  "handle": "membership"
                },
                {
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": true
                  },
                  "nullable": false,
                  "handle": "channel"
                },
                {
                  "jsonSchema": {
                    "type": "string",
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                  },
                  "nullable": false,
                  "handle": "userId"
                },
                {
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1
                  },
                  "nullable": false,
                  "handle": "message"
                }
              ],
              "outputs": [
                {
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": true
                  },
                  "nullable": false,
                  "handle": "channel"
                },
                {
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": true
                  },
                  "nullable": false,
                  "handle": "membership"
                },
                {
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1
                  },
                  "nullable": false,
                  "handle": "channelId"
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                {
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1
                  },
                  "nullable": false,
                  "handle": "message"
                }
              ],
              "name": "Confirm channel membership",
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                  "kind": "connector",
                  "mode": "independent",
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                }
              ]
            }
          },
          "n_068061c9b3a9f655": {
            "inputs": {
              "channelId": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_ec8648164893e69d",
                    "output": "channelId"
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                ]
              },
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                  {
                    "kind": "node",
                    "nodeId": "n_ec8648164893e69d",
                    "output": "message"
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                ]
              },
              "props": {
                "kind": "value",
                "value": {
                  "attachments": []
                }
              }
            },
            "name": "Post the welcome message",
            "kind": "task",
            "task": {
              "inputs": [
                {
                  "description": "A Mattermost object ID.",
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1,
                    "description": "A Mattermost object ID."
                  },
                  "nullable": false,
                  "handle": "channelId"
                },
                {
                  "description": "The Markdown message body to post.",
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1,
                    "description": "The Markdown message body to post."
                  },
                  "nullable": false,
                  "handle": "message"
                },
                {
                  "description": "Optional root post ID for replying in a thread.",
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1,
                    "description": "Optional root post ID for replying in a thread."
                  },
                  "nullable": true,
                  "handle": "rootId",
                  "value": null
                },
                {
                  "description": "Optional Mattermost post props object.",
                  "jsonSchema": {
                    "type": "object",
                    "properties": {},
                    "additionalProperties": true,
                    "description": "Optional Mattermost post props object."
                  },
                  "nullable": true,
                  "handle": "props",
                  "value": null
                }
              ],
              "outputs": [
                {
                  "description": "A Mattermost post object.",
                  "jsonSchema": {
                    "type": "object",
                    "properties": {},
                    "additionalProperties": true,
                    "description": "A Mattermost post object."
                  },
                  "nullable": false,
                  "handle": "post"
                },
                {
                  "description": "The raw Mattermost API JSON response.",
                  "jsonSchema": {
                    "description": "The raw Mattermost API JSON response."
                  },
                  "nullable": false,
                  "handle": "raw"
                }
              ],
              "name": "Post the welcome message",
              "executor": {
                "kind": "connector",
                "action": "mattermost.create_post"
              }
            }
          },
          "n_9c91a42c195515c6": {
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                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_068061c9b3a9f655",
                    "output": "post"
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                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_068061c9b3a9f655",
                    "output": "raw"
                  }
                ]
              },
              "channel": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_ec8648164893e69d",
                    "output": "channel"
                  }
                ]
              },
              "membership": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_ec8648164893e69d",
                    "output": "membership"
                  }
                ]
              },
              "message": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_ec8648164893e69d",
                    "output": "message"
                  }
                ]
              }
            },
            "name": "Keep the complete API results",
            "kind": "task",
            "task": {
              "inputs": [
                {
                  "jsonSchema": {
                    "type": "object",
                    "properties": {},
                    "additionalProperties": true,
                    "description": "A Mattermost post object."
                  },
                  "nullable": false,
                  "handle": "post"
                },
                {
                  "jsonSchema": {
                    "description": "The raw Mattermost API JSON response."
                  },
                  "nullable": false,
                  "handle": "rawPost"
                },
                {
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": true
                  },
                  "nullable": false,
                  "handle": "channel"
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                {
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": true
                  },
                  "nullable": false,
                  "handle": "membership"
                },
                {
                  "jsonSchema": {
                    "type": "string",
                    "minLength": 1
                  },
                  "nullable": false,
                  "handle": "message"
                }
              ],
              "outputs": [
                {
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": true
                  },
                  "nullable": false,
                  "handle": "channel"
                },
                {
                  "jsonSchema": {
                    "type": "object",
                    "additionalProperties": true
                  },
                  "nullable": false,
                  "handle": "membership"
                },
                {
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                    "type": "object",
                    "additionalProperties": true
                  },
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                  "handle": "post"
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                {
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                    "type": "object",
                    "additionalProperties": true
                  },
                  "nullable": true,
                  "handle": "rawPost"
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              ],
              "name": "Keep the complete API results",
              "moduleId": "n_4c635c4fc181023d",
              "capabilities": [
                {
                  "kind": "connector",
                  "mode": "independent",
                  "actions": []
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            }
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          "n_9aa2a246cd48c91b": {
            "name": "Channel, member and welcome post",
            "kind": "outputs",
            "outputDefs": [
              {
                "jsonSchema": {
                  "type": "object",
                  "additionalProperties": true
                },
                "nullable": false,
                "handle": "channel"
              },
              {
                "jsonSchema": {
                  "type": "object",
                  "additionalProperties": true
                },
                "nullable": false,
                "handle": "membership"
              },
              {
                "jsonSchema": {
                  "type": "object",
                  "additionalProperties": true
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                "nullable": false,
                "handle": "post"
              },
              {
                "jsonSchema": {
                  "type": "object",
                  "additionalProperties": true
                },
                "nullable": true,
                "handle": "rawPost"
              }
            ],
            "outputMappings": {
              "channel": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_9c91a42c195515c6",
                    "output": "channel"
                  }
                ]
              },
              "membership": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_9c91a42c195515c6",
                    "output": "membership"
                  }
                ]
              },
              "post": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_9c91a42c195515c6",
                    "output": "post"
                  }
                ]
              },
              "rawPost": {
                "kind": "sources",
                "sources": [
                  {
                    "kind": "node",
                    "nodeId": "n_9c91a42c195515c6",
                    "output": "rawPost"
                  }
                ]
              }
            }
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      }
    },
    "modules": {
      "n_3946fb80f1841793": {
        "name": "Choose team, user and channel",
        "imports": [],
        "source": "export default function mattermostChannelPlan(input) {\n  const text = (value, label) => { if (typeof value !== 'string' || !value.trim() || value.trim().startsWith('YOUR_')) throw new Error('Set ' + label); return value.trim(); };\n  const id = (value, label) => { const result = text(value, label); if (!/^[a-z0-9]{26}$/.test(result)) throw new Error(label + ' must be a 26-character Mattermost ID'); return result; };\n  const teamId = id(input.teamId, 'teamId'), userId = id(input.userId, 'userId'), channelName = text(input.channelName, 'channelName'), displayName = text(input.displayName, 'displayName'), message = text(input.message, 'message');\n  return { createBody: { team_id: teamId, name: channelName, display_name: displayName, type: 'O' }, userId, message };\n}\n"
      },
      "n_fdab896882491641": {
        "name": "Confirm the new channel",
        "imports": [],
        "source": "export default function mattermostChannelReceipt(input) {\n  const succeeded = input.httpSucceeded === true || (Number.isInteger(input.statusCode) && input.statusCode >= 200 && input.statusCode < 300);\n  if (!succeeded || !input.channel || typeof input.channel !== 'object' || Array.isArray(input.channel)) throw new Error('Channel creation was not confirmed. It may already have created a channel; inspect Mattermost before replaying.');\n  const channel = input.channel, expected = input.createBody;\n  if (typeof channel.id !== 'string' || !/^[a-z0-9]{26}$/.test(channel.id) || channel.team_id !== expected.team_id || channel.name !== expected.name || channel.display_name !== expected.display_name || channel.type !== 'O') throw new Error('Unexpected created channel. It may already exist; inspect Mattermost before replaying.');\n  return { channel, channelId: channel.id, memberEndpoint: '/channels/' + encodeURIComponent(channel.id) + '/members', memberBody: { user_id: input.userId }, message: input.message };\n}\n"
      },
      "n_060e701f59487807": {
        "name": "Confirm channel membership",
        "imports": [],
        "source": "export default function mattermostMemberReceipt(input) {\n  const membership = input.membership;\n  const succeeded = input.httpSucceeded === true || (Number.isInteger(input.statusCode) && input.statusCode >= 200 && input.statusCode < 300);\n  if (!succeeded || !membership || typeof membership !== 'object' || Array.isArray(membership) || membership.channel_id !== input.channel.id || membership.user_id !== input.userId) throw new Error('Channel membership was not confirmed. The channel/member may already have changed; inspect Mattermost before replaying.');\n  return { channel: input.channel, membership, channelId: input.channel.id, message: input.message };\n}\n"
      },
      "n_4c635c4fc181023d": {
        "name": "Keep the complete API results",
        "imports": [],
        "source": "export default function mattermostOnboardingResult(input) {\n  const post = input.post;\n  if (!post || typeof post !== 'object' || Array.isArray(post) || typeof post.id !== 'string' || !/^[a-z0-9]{26}$/.test(post.id) || post.channel_id !== input.channel.id || post.message !== input.message) throw new Error('Welcome post was not confirmed. The channel, membership and post may already exist; inspect Mattermost before replaying.');\n  return { channel: input.channel, membership: input.membership, post, rawPost: input.rawPost };\n}\n"
      }
    }
  },
  "presentation": {
    "designer": {
      "version": 1,
      "flow": {
        "direction": "vertical"
      }
    }
  }
}