Medical Company Chatbot

The workflow JSON

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{
  "name": "Medical_Company_Chatbot",
  "nodes": [
    {
      "parameters": {
        "options": {}
      },
      "type": "@n8n/n8n-nodes-langchain.chatTrigger",
      "typeVersion": 1.1,
      "position": [
        -540,
        -100
      ],
      "id": "cff9e28d-944d-4e56-8fcf-ab8bc5ecc2b3",
      "name": "When chat message received"
    },
    {
      "parameters": {
        "promptType": "define",
        "text": "={{ $json.chatInput }}",
        "options": {
          "systemMessage": "You represent a medical company. Please answer customer inquiries using the information provided in the Google Sheet. Please send an email to the owner only if the customer requests to purchase a device. Before sending the email, ask the customer for their name and phone number, and send them to the owner via Email."
        }
      },
      "type": "@n8n/n8n-nodes-langchain.agent",
      "typeVersion": 2,
      "position": [
        -240,
        -100
      ],
      "id": "8a05379e-4ff2-402d-9ce0-3c8ea3aa8ef5",
      "name": "AI Agent"
    },
    {
      "parameters": {
        "model": {
          "__rl": true,
          "mode": "list",
          "value": "gpt-4.1-mini"
        },
        "options": {}
      },
      "type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
      "typeVersion": 1.2,
      "position": [
        -440,
        120
      ],
      "id": "d30f34de-daa8-446c-b530-5206e95a0592",
      "name": "OpenAI Chat Model",
      "credentials": {
        "openAiApi": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {},
      "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
      "typeVersion": 1.3,
      "position": [
        -220,
        80
      ],
      "id": "2652381e-17bf-4202-987e-c40f08c79b1a",
      "name": "Simple Memory"
    },
    {
      "parameters": {
        "documentId": {
          "__rl": true,
          "value": "1gkBZNwtyq3a_OZA0_V40tlHXcDKGjBlOB0oCZ0447bw",
          "mode": "list",
          "cachedResultName": "V1_Company_DataBase",
          "cachedResultUrl": "https://docs.google.com/spreadsheets/d/1gkBZNwtyq3a_OZA0_V40tlHXcDKGjBlOB0oCZ0447bw/edit?usp=drivesdk"
        },
        "sheetName": {
          "__rl": true,
          "value": "gid=0",
          "mode": "list",
          "cachedResultName": "Sheet1",
          "cachedResultUrl": "https://docs.google.com/spreadsheets/d/1gkBZNwtyq3a_OZA0_V40tlHXcDKGjBlOB0oCZ0447bw/edit#gid=0"
        },
        "options": {}
      },
      "type": "n8n-nodes-base.googleSheetsTool",
      "typeVersion": 4.6,
      "position": [
        40,
        140
      ],
      "id": "9333408b-8097-4153-bc2b-0faa5efb0a91",
      "name": "Get row(s) in sheet in Google Sheets",
      "credentials": {
        "googleSheetsOAuth2Api": {
          "name": "<your credential>"
        }
      }
    },
    {
      "parameters": {
        "sendTo": "mramelshamy408@gmail.com",
        "subject": "Customer Purchase Request",
        "emailType": "text",
        "message": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Message', ``, 'string') }}",
        "options": {}
      },
      "type": "n8n-nodes-base.gmailTool",
      "typeVersion": 2.1,
      "position": [
        240,
        60
      ],
      "id": "97b07ca4-8ec1-40c7-a347-7994f6306288",
      "name": "Send a message in Gmail",
      "credentials": {
        "gmailOAuth2": {
          "name": "<your credential>"
        }
      }
    }
  ],
  "connections": {
    "When chat message received": {
      "main": [
        [
          {
            "node": "AI Agent",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "OpenAI Chat Model": {
      "ai_languageModel": [
        [
          {
            "node": "AI Agent",
            "type": "ai_languageModel",
            "index": 0
          }
        ]
      ]
    },
    "Simple Memory": {
      "ai_memory": [
        [
          {
            "node": "AI Agent",
            "type": "ai_memory",
            "index": 0
          }
        ]
      ]
    },
    "Get row(s) in sheet in Google Sheets": {
      "ai_tool": [
        [
          {
            "node": "AI Agent",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    },
    "Send a message in Gmail": {
      "ai_tool": [
        [
          {
            "node": "AI Agent",
            "type": "ai_tool",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": false,
  "settings": {
    "executionOrder": "v1"
  },
  "versionId": "6e0da63a-91e6-48c4-b9ea-697883678d7b",
  "meta": {
    "templateCredsSetupCompleted": true
  },
  "id": "VqYgEYV94Y9Ypl86",
  "tags": []
}

Credentials you'll need

Each integration node will prompt for credentials when you import. We strip credential IDs before publishing — you'll add your own.

• gmailOAuth2
• googleSheetsOAuth2Api
• openAiApi

About this workflow

Medical_Company_Chatbot. Uses chatTrigger, agent, lmChatOpenAi, memoryBufferWindow. Chat trigger; 6 nodes.

Source: https://github.com/MohElshamy1994/n8n-course-Projetcs/blob/f37fce8a58c6e943ea6021f17a9768c72abc71fa/workflows/25_Smart_Chatbot_For_Companies.json — original creator credit. Request a take-down →

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