Lineチャットボットでの給与総額テキスト抽出(Gemini)

上級

これはFinance, AI分野の自動化ワークフローで、17個のノードを含みます。主にSet, Switch, Webhook, HttpRequest, GoogleSheetsなどのノードを使用、AI技術を活用したスマート自動化を実現。 LineチャットボットとGeminiを使って給与明細データをGoogleスプレッドシートに抽出

前提条件
  • HTTP Webhookエンドポイント(n8nが自動生成)
  • ターゲットAPIの認証情報が必要な場合あり
  • Google Sheets API認証情報
  • Google Gemini API Key

カテゴリー

ワークフロープレビュー
ノード接続関係を可視化、ズームとパンをサポート
ワークフローをエクスポート
以下のJSON設定をn8nにインポートして、このワークフローを使用できます
{
  "id": "bPxDenPJ5Ixx0txY",
  "meta": {
    "instanceId": "42d7f9cf04ccdfd3d3df5ffa87039b320845693c4b4e380cbb8cc2807641f810",
    "templateCredsSetupCompleted": true
  },
  "name": "Line_Chatbot_Extract_Text_from_Pay_Slip_with_Gemini",
  "tags": [],
  "nodes": [
    {
      "id": "83f758b4-a80b-4f27-ac13-ee0958ed97f2",
      "name": "ウィンドウバッファメモリ",
      "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": "付箋",
      "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"
      },
      "credentials": {
        "httpHeaderAuth": {
          "id": "uFkmYj5e89iPyHcG",
          "name": "Line Automate Task Header Auth account"
        }
      },
      "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": "付箋1",
      "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"
      },
      "credentials": {
        "httpHeaderAuth": {
          "id": "uFkmYj5e89iPyHcG",
          "name": "Line Automate Task Header Auth account"
        }
      },
      "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"
      },
      "credentials": {
        "httpHeaderAuth": {
          "id": "uFkmYj5e89iPyHcG",
          "name": "Line Automate Task Header Auth account"
        }
      },
      "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": "gid=0",
          "cachedResultUrl": "https://docs.google.com/spreadsheets/d/1PUXj_t3G-arnfzNDbY0g9Pr1G4YMGrc68fDs98pV-n4/edit#gid=0",
          "cachedResultName": "Sheet1"
        },
        "documentId": {
          "__rl": true,
          "mode": "url",
          "value": "https://docs.google.com/spreadsheets/d/1PUXj_t3G-arnfzNDbY0g9Pr1G4YMGrc68fDs98pV-n4/edit?gid=0#gid=0"
        }
      },
      "credentials": {
        "googleSheetsOAuth2Api": {
          "id": "tENCv7liPQDhRoqL",
          "name": "Google Sheets account"
        }
      },
      "typeVersion": 4.5
    },
    {
      "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
    },
    {
      "id": "b3c4c66a-78d6-4ad5-9a5c-afef6f86e5cc",
      "name": "付箋2",
      "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": "付箋3",
      "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": "付箋4",
      "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"
      },
      "credentials": {
        "googlePalmApi": {
          "id": "Gqc4JMC0dFmMRP7Z",
          "name": "Google Gemini(PaLM) Api account"
        }
      },
      "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"
      },
      "credentials": {
        "googlePalmApi": {
          "id": "Gqc4JMC0dFmMRP7Z",
          "name": "Google Gemini(PaLM) Api account"
        }
      },
      "typeVersion": 1
    }
  ],
  "active": true,
  "pinData": {},
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "d14ef869-77c2-49a8-9867-1775d8f0b085",
  "connections": {
    "e39e5392-b287-4efe-a9a9-1f241e82cd92": {
      "main": [
        [
          {
            "node": "a166e880-9291-4794-a6be-47f0a86e77e7",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "c3eb2420-a503-4039-874c-df3c2799c561": {
      "main": [
        [
          {
            "node": "dfafa5ba-a855-4ebf-a19d-2addb556e791",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "a268daa7-76d9-437b-99e9-bd755eb4d36f": {
      "main": [
        [
          {
            "node": "e39e5392-b287-4efe-a9a9-1f241e82cd92",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Window Buffer Memory": {
      "ai_memory": [
        [
          {
            "node": "0df36c5d-ec2a-492d-b688-4bad8d81cf38",
            "type": "ai_memory",
            "index": 0
          }
        ]
      ]
    },
    "9f034b6f-bb5b-4dc6-941d-b745f15da254": {
      "ai_languageModel": [
        [
          {
            "node": "0df36c5d-ec2a-492d-b688-4bad8d81cf38",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "b9a309bf-2c49-40e1-a0e4-9cced43d6e85": {
      "main": [
        [
          {
            "node": "850f1079-cecf-4680-835f-34af829ee8f5",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "a166e880-9291-4794-a6be-47f0a86e77e7": {
      "main": [
        [
          {
            "node": "0df36c5d-ec2a-492d-b688-4bad8d81cf38",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "c3eb2420-a503-4039-874c-df3c2799c561",
            "type": "main",
            "index": 0
          }
        ],
        []
      ]
    },
    "15fa3203-9230-4a1d-9e0d-87652cb9d9ab": {
      "ai_languageModel": [
        [
          {
            "node": "dfafa5ba-a855-4ebf-a19d-2addb556e791",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "0df36c5d-ec2a-492d-b688-4bad8d81cf38": {
      "main": [
        [
          {
            "node": "ff5561fa-b334-4639-a513-554ee3507ab0",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "dfafa5ba-a855-4ebf-a19d-2addb556e791": {
      "main": [
        [
          {
            "node": "b9a309bf-2c49-40e1-a0e4-9cced43d6e85",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}
よくある質問

このワークフローの使い方は?

上記のJSON設定コードをコピーし、n8nインスタンスで新しいワークフローを作成して「JSONからインポート」を選択、設定を貼り付けて認証情報を必要に応じて変更してください。

このワークフローはどんな場面に適していますか?

上級 - 財務, 人工知能

有料ですか?

このワークフローは完全無料です。ただし、ワークフローで使用するサードパーティサービス(OpenAI APIなど)は別途料金が発生する場合があります。

ワークフロー情報
難易度
上級
ノード数17
カテゴリー2
ノードタイプ10
難易度説明

上級者向け、16ノード以上の複雑なワークフロー

作成者
Sirisak Chantanate

Sirisak Chantanate

@openmymai

Automation consultant with 1 year experience helping Sales & Marketing teams to streamline their processes. Use my link to book an initial consultation for custom n8n work.

外部リンク
n8n.ioで表示

このワークフローを共有

カテゴリー

カテゴリー: 34