{
  "name": "Line_Chatbot_Extract_Text_from_Pay_Slip_with_Gemini",
  "nodes": [
    {
      "id": "83f758b4-a80b-4f27-ac13-ee0958ed97f2",
      "name": "Window Buffer Memory",
      "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
      "position": [
        200,
        320
      ],
      "parameters": {
        "sessionKey": "={{ $json.body.events[0].source.userId }}",
        "sessionIdType": "customKey"
      },
      "typeVersion": 1.3
    },
    {
      "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
    },
    {
      "id": "c3eb2420-a503-4039-874c-df3c2799c561",
      "name": "Line: Get Image",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        -160,
        660
      ],
      "parameters": {
        "url": "=https://api-data.line.me/v2/bot/message/{{ $json.body.events[0].message.id }}/content ",
        "options": {},
        "authentication": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth"
      },
      "typeVersion": 4.2
    },
    {
      "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
    },
    {
      "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
    },
    {
      "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
    },
    {
      "id": "0df36c5d-ec2a-492d-b688-4bad8d81cf38",
      "name": "Text Message Processing",
      "type": "@n8n/n8n-nodes-langchain.agent",
      "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
    },
    {
      "id": "dfafa5ba-a855-4ebf-a19d-2addb556e791",
      "name": "Image Message Processing",
      "type": "@n8n/n8n-nodes-langchain.chainLlm",
      "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
    },
    {
      "id": "b9a309bf-2c49-40e1-a0e4-9cced43d6e85",
      "name": "Line: Response to User",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        580,
        660
      ],
      "parameters": {
        "url": "https://api.line.me/v2/bot/message/reply",
        "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": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth"
      },
      "typeVersion": 4.2
    },
    {
      "id": "ff5561fa-b334-4639-a513-554ee3507ab0",
      "name": "Line: Text Response to User",
      "type": "n8n-nodes-base.httpRequest",
      "position": [
        580,
        140
      ],
      "parameters": {
        "url": "https://api.line.me/v2/bot/message/reply",
        "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": "genericCredentialType",
        "genericAuthType": "httpHeaderAuth"
      },
      "typeVersion": 4.2
    },
    {
      "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": "REPLACE_WITH_RESOURCE"
        },
        "documentId": {
          "__rl": true,
          "mode": "url",
          "value": "REPLACE_WITH_RESOURCE"
        }
      },
      "typeVersion": 4.5
    },
    {
      "id": "a268daa7-76d9-437b-99e9-bd755eb4d36f",
      "name": "Line: Messaging API",
      "type": "n8n-nodes-base.webhook",
      "position": [
        -820,
        400
      ],
      "parameters": {
        "path": "4c0de537-2889-47d2-ac44-3a9cda89c9f3",
        "options": {},
        "httpMethod": "POST"
      },
      "typeVersion": 2
    },
    {
      "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
    },
    {
      "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
    },
    {
      "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
    },
    {
      "id": "9f034b6f-bb5b-4dc6-941d-b745f15da254",
      "name": "Google Gemini for Text",
      "type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
      "position": [
        60,
        320
      ],
      "parameters": {
        "options": {},
        "modelName": "models/gemini-2.0-flash-exp"
      },
      "typeVersion": 1
    },
    {
      "id": "15fa3203-9230-4a1d-9e0d-87652cb9d9ab",
      "name": "Google Gemini for Image",
      "type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini",
      "position": [
        60,
        880
      ],
      "parameters": {
        "options": {},
        "modelName": "models/gemini-2.0-flash-exp"
      },
      "typeVersion": 1
    },
    {
      "id": "243b79e1-1a35-5bfb-910f-a196a6e39135",
      "name": "Publication · Overview and setup",
      "type": "n8n-nodes-base.stickyNote",
      "typeVersion": 1,
      "position": [
        -1660,
        0
      ],
      "parameters": {
        "content": "# Line_Chatbot_Extract_Text_from_Pay_Slip_with_Gemini\n\n## Purpose and structure\nThis folder contains the **Line_Chatbot_Extract_Text_from_Pay_Slip_with_Gemini** workflow. Its executable nodes use `agent`, `chainLlm`, `googleSheets`, `httpRequest`, `lmChatGoogleGemini`, `memoryBufferWindow`, `set`, `switch`, `webhook`. The table and connection map below are derived from the JSON, not an inferred guarantee of behavior.\n\n## Setup\nImport inactive. Configure your own credentials and replace REPLACE_WITH_* values. Review external destinations and Code nodes before running.\n\n## Entry points\nLine: Messaging API\n\n## Verification\nSanitized source candidate; not runtime-tested. This overview is generated from node metadata. Read the folder README for the connection map, credential types, and license.\n\n## Attribution\nhttps://github.com/Zie619/n8n-workflows/blob/94007c1445d9258a7da116646b79473e7c7c3282/workflows/Http/1811_HTTP_GoogleSheets_Automate_Webhook.json\nMIT; preserve source notices.",
        "width": 700,
        "height": 800,
        "color": 1
      }
    }
  ],
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "connections": {
    "Message Type": {
      "main": [
        [
          {
            "node": "Message Classification",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Line: Get Image": {
      "main": [
        [
          {
            "node": "Image Message Processing",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Line: Messaging API": {
      "main": [
        [
          {
            "node": "Message Type",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Window Buffer Memory": {
      "ai_memory": [
        [
          {
            "node": "Text Message Processing",
            "type": "ai_memory",
            "index": 0
          }
        ]
      ]
    },
    "Google Gemini for Text": {
      "ai_languageModel": [
        [
          {
            "node": "Text Message Processing",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Line: Response to User": {
      "main": [
        [
          {
            "node": "Text from Slip Result",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Message Classification": {
      "main": [
        [
          {
            "node": "Text Message Processing",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Line: Get Image",
            "type": "main",
            "index": 0
          }
        ],
        []
      ]
    },
    "Google Gemini for Image": {
      "ai_languageModel": [
        [
          {
            "node": "Image Message Processing",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Text Message Processing": {
      "main": [
        [
          {
            "node": "Line: Text Response to User",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Image Message Processing": {
      "main": [
        [
          {
            "node": "Line: Response to User",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}