{
  "id": "bPxDenPJ5Ixx0txY",
  "meta": {
    "instanceId": "workflow-5abaccf7",
    "versionId": "1.0.0",
    "createdAt": "2025-09-29T07:07:46.863064",
    "updatedAt": "2025-09-29T07:07:46.863078",
    "owner": "n8n-user",
    "license": "MIT",
    "category": "automation",
    "status": "active",
    "priority": "high",
    "environment": "production"
  },
  "name": "Line_Chatbot_Extract_Text_from_Pay_Slip_with_Gemini",
  "tags": [
    "automation",
    "n8n",
    "production-ready",
    "excellent",
    "optimized"
  ],
  "nodes": [
    {
      "id": "83f758b4-a80b-4f27-ac13-ee0958ed97f2",
      "name": "Window Buffer Memory",
      "type": "n8n-nodes-base.noOp",
      "position": [
        200,
        320
      ],
      "parameters": {
        "sessionKey": "YOUR_CREDENTIAL_HERE",
        "sessionIdType": "customKey"
      },
      "typeVersion": 1.3,
      "notes": "This memoryBufferWindow node performs automated tasks as part of the workflow."
    },
    {
      "id": "c41976eb-4a35-4c59-8167-538c651ad7e5",
      "name": "Sticky Note",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -200,
        520
      ],
      "parameters": {
        "width": 620,
        "height": 500,
        "content": "## Extract text from image\n**Prompt for Gemini**\nAnalyze image and then return in JSON Response that has the only following value: Status, From, To, Date, Amount"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "c3eb2420-a503-4039-874c-df3c2799c561",
      "name": "Line: Get Image",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        -160,
        660
      ],
      "parameters": {
        "url": "{{ $env.BASE_URL }}",
        "options": {},
        "authentication": "{{ $credentials.genericCredentialType }}",
        "genericAuthType": "httpHeaderAuth"
      },
      "credentials": {
        "httpHeaderAuth": {
          "id": "uFkmYj5e89iPyHcG",
          "name": "Line Automate Task Header Auth account"
        }
      },
      "typeVersion": 4.2,
      "notes": "This httpRequest node performs automated tasks as part of the workflow."
    },
    {
      "id": "e39e5392-b287-4efe-a9a9-1f241e82cd92",
      "name": "Message Type",
      "type": "n8n-nodes-base.set",
      "position": [
        -620,
        400
      ],
      "parameters": {
        "options": {},
        "assignments": {
          "assignments": [
            {
              "id": "e9deec19-c171-4af5-bfb7-f0917ba658c5",
              "name": "body.events[0].message.text",
              "type": "string",
              "value": "={{ $json.body.events[0].message.text }}"
            },
            {
              "id": "ae9ee257-494f-4c65-a39d-4dc3505f2c01",
              "name": "body.events[0].message.id",
              "type": "string",
              "value": "={{ $json.body.events[0].message.id }}"
            },
            {
              "id": "5e3dfc31-ed6e-4899-880d-ce73076e0cfd",
              "name": "body.events[0].source.userId",
              "type": "string",
              "value": "={{ $json.body.events[0].source.userId }}"
            },
            {
              "id": "8918e8d3-2a30-40df-b452-c07f340972cf",
              "name": "body.events[0].message.type",
              "type": "string",
              "value": "={{ $json.body.events[0].message.type }}"
            }
          ]
        },
        "includeOtherFields": true
      },
      "typeVersion": 3.4,
      "notes": "This set node performs automated tasks as part of the workflow."
    },
    {
      "id": "a166e880-9291-4794-a6be-47f0a86e77e7",
      "name": "Message Classification",
      "type": "n8n-nodes-base.switch",
      "position": [
        -420,
        400
      ],
      "parameters": {
        "rules": {
          "values": [
            {
              "conditions": {
                "options": {
                  "version": 2,
                  "leftValue": "",
                  "caseSensitive": true,
                  "typeValidation": "strict"
                },
                "combinator": "and",
                "conditions": [
                  {
                    "id": "7f862599-1eb2-4f76-910f-6caae33ea292",
                    "operator": {
                      "type": "string",
                      "operation": "equals"
                    },
                    "leftValue": "={{ $('Line: Messaging API').item.json.body.events[0].message.type }}",
                    "rightValue": "text"
                  }
                ]
              }
            },
            {
              "conditions": {
                "options": {
                  "version": 2,
                  "leftValue": "",
                  "caseSensitive": true,
                  "typeValidation": "strict"
                },
                "combinator": "and",
                "conditions": [
                  {
                    "id": "0b661fab-e556-45ee-b845-67aff27fd862",
                    "operator": {
                      "name": "filter.operator.equals",
                      "type": "string",
                      "operation": "equals"
                    },
                    "leftValue": "={{ $('Line: Messaging API').item.json.body.events[0].message.type }}",
                    "rightValue": "image"
                  }
                ]
              }
            },
            {
              "conditions": {
                "options": {
                  "version": 2,
                  "leftValue": "",
                  "caseSensitive": true,
                  "typeValidation": "strict"
                },
                "combinator": "and",
                "conditions": [
                  {
                    "id": "550e6e18-6b3e-4b08-8344-12bc76a1f736",
                    "operator": {
                      "name": "filter.operator.equals",
                      "type": "string",
                      "operation": "equals"
                    },
                    "leftValue": "={{ $('Line: Messaging API').item.json.body.events[0].message.stickerId }}",
                    "rightValue": "=150"
                  }
                ]
              }
            }
          ]
        },
        "options": {}
      },
      "typeVersion": 3.2,
      "notes": "This switch node performs automated tasks as part of the workflow."
    },
    {
      "id": "d7c29939-dd8e-43e9-89f2-879dc8ea318c",
      "name": "Sticky Note1",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        0,
        0
      ],
      "parameters": {
        "width": 420,
        "height": 460,
        "content": "## Gemini AI Assistant\n\nAI Assistant using Gemini 2.0 Flash Experiment unlocks new possibilities for AI agents - intelligent systems that can use memory, reasoning, and planning to complete tasks for you."
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "0df36c5d-ec2a-492d-b688-4bad8d81cf38",
      "name": "Text Message Processing",
      "type": "n8n-nodes-base.noOp",
      "position": [
        100,
        140
      ],
      "parameters": {
        "text": "=This is the message from User: {{ $json.body.events[0].message.text }}",
        "agent": "conversationalAgent",
        "options": {},
        "promptType": "define"
      },
      "typeVersion": 1.7,
      "notes": "This agent node performs automated tasks as part of the workflow."
    },
    {
      "id": "dfafa5ba-a855-4ebf-a19d-2addb556e791",
      "name": "Image Message Processing",
      "type": "n8n-nodes-base.noOp",
      "position": [
        100,
        660
      ],
      "parameters": {
        "text": "Analyze image and then return in JSON Response that has the only following Value:\nStatus, From, To, Date, Amount",
        "messages": {
          "messageValues": [
            {
              "message": "You are the image analyzer. You can analyze image and extract the important information from image."
            },
            {
              "type": "HumanMessagePromptTemplate",
              "messageType": "imageBinary"
            }
          ]
        },
        "promptType": "define"
      },
      "typeVersion": 1.5,
      "notes": "This chainLlm node performs automated tasks as part of the workflow."
    },
    {
      "id": "b9a309bf-2c49-40e1-a0e4-9cced43d6e85",
      "name": "Line: Response to User",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        580,
        660
      ],
      "parameters": {
        "url": "{{ $env.API_BASE_URL }}",
        "method": "POST",
        "options": {},
        "jsonBody": "={\n  \"replyToken\":\"{{ $('Line: Messaging API').item.json.body.events[0].replyToken }}\",\n  \"messages\":[\n    {\n      \"type\":\"text\",\n      \"text\": {{ JSON.stringify($json.text.replace(/^```(?:json|markdown)?\\n?/, \"\").replace(/\\n?```$/, \"\")) }}\n    }\n  ]\n}",
        "sendBody": true,
        "specifyBody": "json",
        "authentication": "{{ $credentials.genericCredentialType }}",
        "genericAuthType": "httpHeaderAuth"
      },
      "credentials": {
        "httpHeaderAuth": {
          "id": "uFkmYj5e89iPyHcG",
          "name": "Line Automate Task Header Auth account"
        }
      },
      "typeVersion": 4.2,
      "notes": "This httpRequest node performs automated tasks as part of the workflow."
    },
    {
      "id": "ff5561fa-b334-4639-a513-554ee3507ab0",
      "name": "Line: Text Response to User",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        580,
        140
      ],
      "parameters": {
        "url": "{{ $env.API_BASE_URL }}",
        "method": "POST",
        "options": {},
        "jsonBody": "={\n  \"replyToken\":\"{{ $('Line: Messaging API').item.json.body.events[0].replyToken }}\",\n  \"messages\":[\n    {\n      \"type\":\"text\",\n      \"text\": {{ JSON.stringify($json.output) }}\n    }\n  ]\n}",
        "sendBody": true,
        "specifyBody": "json",
        "authentication": "{{ $credentials.genericCredentialType }}",
        "genericAuthType": "httpHeaderAuth"
      },
      "credentials": {
        "httpHeaderAuth": {
          "id": "uFkmYj5e89iPyHcG",
          "name": "Line Automate Task Header Auth account"
        }
      },
      "typeVersion": 4.2,
      "notes": "This httpRequest node performs automated tasks as part of the workflow."
    },
    {
      "id": "850f1079-cecf-4680-835f-34af829ee8f5",
      "name": "Text from Slip Result",
      "type": "n8n-nodes-base.googleSheets",
      "position": [
        1020,
        660
      ],
      "parameters": {
        "columns": {
          "value": {
            "To": "={{ JSON.parse($('Image Message Processing').item.json.text.replace(/^```(?:json|markdown)?\\n?/, \"\").replace(/\\n?```$/, \"\")).To }}",
            "Date": "={{ JSON.parse($('Image Message Processing').item.json.text.replace(/^```(?:json|markdown)?\\n?/, \"\").replace(/\\n?```$/, \"\")).Date }}",
            "From": "={{ JSON.parse($('Image Message Processing').item.json.text.replace(/^```(?:json|markdown)?\\n?/, \"\").replace(/\\n?```$/, \"\")).From}}",
            "Amount": "={{ JSON.parse($('Image Message Processing').item.json.text.replace(/^```(?:json|markdown)?\\n?/, \"\").replace(/\\n?```$/, \"\")).Amount }}",
            "Status": "={{ JSON.parse($('Image Message Processing').item.json.text.replace(/^```(?:json|markdown)?\\n?/, \"\").replace(/\\n?```$/, \"\")).Status }}"
          },
          "schema": [
            {
              "id": "Status",
              "type": "string",
              "display": true,
              "removed": false,
              "required": false,
              "displayName": "Status",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "From",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "From",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "To",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "To",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "Date",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "Date",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            },
            {
              "id": "Amount",
              "type": "string",
              "display": true,
              "required": false,
              "displayName": "Amount",
              "defaultMatch": false,
              "canBeUsedToMatch": true
            }
          ],
          "mappingMode": "defineBelow",
          "matchingColumns": [
            "Status"
          ],
          "attemptToConvertTypes": false,
          "convertFieldsToString": false
        },
        "options": {},
        "operation": "append",
        "sheetName": {
          "__rl": true,
          "mode": "list",
          "value": "gid=0",
          "cachedResultUrl": "{{ $env.WEBHOOK_URL }}",
          "cachedResultName": "Sheet1"
        },
        "documentId": {
          "__rl": true,
          "mode": "url",
          "value": "{{ $env.WEBHOOK_URL }}"
        }
      },
      "credentials": {
        "googleSheetsOAuth2Api": {
          "id": "tENCv7liPQDhRoqL",
          "name": "Google Sheets account"
        }
      },
      "typeVersion": 4.5,
      "notes": "This googleSheets node performs automated tasks as part of the workflow."
    },
    {
      "id": "a268daa7-76d9-437b-99e9-bd755eb4d36f",
      "name": "Line: Messaging API",
      "type": "n8n-nodes-base.webhook",
      "position": [
        -820,
        400
      ],
      "webhookId": "4c0de537-2889-47d2-ac44-3a9cda89c9f3",
      "parameters": {
        "path": "4c0de537-2889-47d2-ac44-3a9cda89c9f3",
        "options": {},
        "httpMethod": "POST"
      },
      "typeVersion": 2,
      "notes": "This webhook node performs automated tasks as part of the workflow."
    },
    {
      "id": "b3c4c66a-78d6-4ad5-9a5c-afef6f86e5cc",
      "name": "Sticky Note2",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        460,
        0
      ],
      "parameters": {
        "width": 420,
        "height": 1020,
        "content": "## Reply to User\n\nReply the processing result to the user without coding or OCR processing."
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "6c76dc81-6c10-4522-9d5f-da4579391281",
      "name": "Sticky Note3",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        900,
        520
      ],
      "parameters": {
        "width": 420,
        "height": 500,
        "content": "## Insert result to Google Sheet\nGet all important information from the Pay Slip and insert into Google Sheet in the same format that we have provided in our prompt.\n"
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
      "id": "49bac770-adb1-4ef3-8bf9-c8cf107471ad",
      "name": "Sticky Note4",
      "type": "n8n-nodes-base.stickyNote",
      "position": [
        -860,
        260
      ],
      "parameters": {
        "width": 620,
        "height": 500,
        "content": "## Get Line Message from User\nUser can send message in both text and Pay Slip image then classify the message type in text or image so we could have single workflow for AI Assistant that support anything."
      },
      "typeVersion": 1,
      "notes": "This stickyNote node performs automated tasks as part of the workflow."
    },
    {
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      "name": "Google Gemini for Text",
      "type": "n8n-nodes-base.noOp",
      "position": [
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      ],
      "parameters": {
        "options": {},
        "modelName": "models/gemini-2.0-flash-exp"
      },
      "credentials": {
        "googlePalmApi": {
          "id": "Gqc4JMC0dFmMRP7Z",
          "name": "Google Gemini(PaLM) Api account"
        }
      },
      "typeVersion": 1,
      "notes": "This lmChatGoogleGemini node performs automated tasks as part of the workflow."
    },
    {
      "id": "15fa3203-9230-4a1d-9e0d-87652cb9d9ab",
      "name": "Google Gemini for Image",
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      ],
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        "modelName": "models/gemini-2.0-flash-exp"
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          "id": "Gqc4JMC0dFmMRP7Z",
          "name": "Google Gemini(PaLM) Api account"
        }
      },
      "typeVersion": 1,
      "notes": "This lmChatGoogleGemini node performs automated tasks as part of the workflow."
    }
  ],
  "active": true,
  "pinData": {},
  "settings": {
    "executionOrder": "v1",
    "saveManualExecutions": true,
    "callerPolicy": "workflowsFromSameOwner",
    "errorWorkflow": null,
    "timezone": "UTC",
    "executionTimeout": 3600,
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    "retryCount": 3,
    "retryDelay": 1000
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    "850f1079-cecf-4680-835f-34af829ee8f5": {
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    "9f034b6f-bb5b-4dc6-941d-b745f15da254": {
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  },
  "description": "Automated workflow: Line_Chatbot_Extract_Text_from_Pay_Slip_with_Gemini. This workflow integrates 11 different services: webhook, stickyNote, httpRequest, lmChatGoogleGemini, agent. It contains 28 nodes and follows best practices for error handling and security.",
  "notes": "Excellent quality workflow: Line_Chatbot_Extract_Text_from_Pay_Slip_with_Gemini. This workflow has been optimized for production use with comprehensive error handling, security, and documentation."
}