{ "meta": { "templateCredsSetupCompleted": true }, "nodes": [ { "id": "93118333-81b4-48a6-b5e4-ccc1eb2915df", "name": "WhatsApp Message Received", "type": "n8n-nodes-base.whatsAppTrigger", "position": [ -592, 0 ], "parameters": { "options": { "messageStatusUpdates": [ "all" ] }, "updates": [ "messages" ] }, "credentials": { "whatsAppTriggerApi": { "name": "" } }, "typeVersion": 1 }, { "id": "c2db53c3-7a90-444a-a785-a439ef835434", "name": "No Operation, do nothing", "type": "n8n-nodes-base.noOp", "position": [ -416, 144 ], "parameters": {}, "typeVersion": 1 }, { "id": "c528b6af-a39d-4e86-9542-1c1dd066af22", "name": "Is Message?", "type": "n8n-nodes-base.if", "position": [ -416, 0 ], "parameters": { "options": {}, "conditions": { "options": { "version": 2, "leftValue": "", "caseSensitive": true, "typeValidation": "strict" }, "combinator": "and", "conditions": [ { "id": "0655157c-cac4-4993-af22-d167b2343297", "operator": { "type": "boolean", "operation": "true", "singleValue": true }, "leftValue": "={{ !!$json.messages?.[0]?.from }}", "rightValue": "" } ] } }, "typeVersion": 2.2 }, { "id": "4c6e405c-53f8-477d-a55a-9fdc3ae7fbaf", "name": "Transcribe audio", "type": "@n8n/n8n-nodes-langchain.openAi", "position": [ 320, -32 ], "parameters": { "options": {}, "resource": "audio", "operation": "transcribe" }, "credentials": { "openAiApi": { "name": "" } }, "typeVersion": 1.8 }, { "id": "df6ac069-fe1e-41d3-a872-571bae411220", "name": "Download Voice", "type": "n8n-nodes-base.whatsApp", "position": [ 0, -32 ], "parameters": { "resource": "media", "operation": "mediaUrlGet", "mediaGetId": "={{ $json.messages[0].audio.id }}" }, "credentials": { "whatsAppApi": { "name": "" } }, "typeVersion": 1 }, { "id": "8f30d58e-2eb3-47d7-b39f-92b85678b962", "name": "Get Audio", "type": "n8n-nodes-base.httpRequest", "position": [ 160, -32 ], "parameters": { "url": "={{ $json.url }}", "options": {}, "authentication": "predefinedCredentialType", "nodeCredentialType": "whatsAppApi" }, "credentials": { "whatsAppApi": { "name": "" } }, "typeVersion": 4.2 }, { "id": "4090b5c6-fa50-4350-8f29-c18be5aea6f0", "name": "get_schedule", "type": "n8n-nodes-base.googleCalendarTool", "position": [ 1168, 224 ], "parameters": { "limit": 3, "options": {}, "timeMax": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Before', ``, 'string') }}", "timeMin": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('After', ``, 'string') }}", "calendar": { "__rl": true, "mode": "list", "value": "user@example.com", "cachedResultName": "user@example.com" }, "operation": "getAll" }, "credentials": { "googleCalendarOAuth2Api": { "name": "" } }, "typeVersion": 1.3 }, { "id": "85f332ff-cda7-43c1-9042-3a601d96075d", "name": "ai_memory", "type": "@n8n/n8n-nodes-langchain.memoryBufferWindow", "position": [ 720, 32 ], "parameters": { "sessionKey": "={{ $json.chat_id }}", "sessionIdType": "customKey" }, "typeVersion": 1.3 }, { "id": "dc0b8085-4b5b-4ff9-aaf2-99c291caa1d4", "name": "set_appointment", "type": "n8n-nodes-base.googleCalendarTool", "position": [ 1408, 224 ], "parameters": { "end": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('End', ``, 'string') }}", "start": "={{ /*n8n-auto-generated-fromAI-override*/ $fromAI('Start', ``, 'string') }}", "calendar": { "__rl": true, "mode": "list", "value": "user@example.com", "cachedResultName": "user@example.com" }, "additionalFields": {} }, "credentials": { "googleCalendarOAuth2Api": { "name": "" } }, "typeVersion": 1.3 }, { "id": "0efd193c-a796-4ca1-905b-a3bdd6aac5e2", "name": "Customer Service Agent", "type": "@n8n/n8n-nodes-langchain.agent", "position": [ 720, -160 ], "parameters": { "text": "={{ $json.text }}", "options": { "systemMessage": "=**System Prompt for WhatsApp Customer Service Bot**\n\nYou are a helpful and professional **WhatsApp customer service assistant**.\nYou always respond politely, concisely, and in a friendly tone.\nYou can answer FAQs, provide service information, and schedule appointments.\nYou must always use the provided tools to complete tasks. Do not invent answers.\n\n### Tools you must use:\n\n1. **faq_base**\n * Retrieves FAQs from a Google Sheet.\n * Returns a table with: `id | question | answer`.\n * Use when the user asks a general or frequently asked question.\n * Your job: search for the closest matching question and return the most relevant answer.\n\n2. **get_services**\n * Retrieves service information from a Google Sheet.\n * Returns a table with: `id | service_name | service_description | price`.\n * Use when the user asks about services, details, or prices.\n\n3. **get_schedule**\n * Checks Google Calendar for available time slots.\n * Input: service type, preferred day/time.\n * Returns 3 available slot options.\n * Ask the user to choose one.\n\n4. **set_appointment**\n * Books the confirmed appointment in Google Calendar.\n * Input: chosen service, date/time, and customer details (name, email, phone).\n\n5. **agent_reply**\n * Sends messages back to the user on WhatsApp.\n * Always use this tool to answer back to the user.\n\n### Rules of Behavior\n\n* Always use `agent_reply` to send every response.\n* Never make up answers \u2014 always rely on the tools.\n* If the user\u2019s request is unclear, ask clarifying questions.\n* For FAQs: query `faq_base`.\n* For service details: query `get_services`.\n* For scheduling:\n\n 1. Ask the user which service they want.\n 2. Ask for preferred day and time.\n 3. Call `get_schedule` and show 3 options.\n 4. Collect name, email, phone number.\n 5. Call `set_appointment`.\n 6. Confirm booking with the user.\n" }, "promptType": "define" }, "typeVersion": 2.2 }, { "id": "3d698916-6647-4f37-8d25-14d5f6b8ef51", "name": "faq_base", "type": "n8n-nodes-base.googleSheetsTool", "position": [ 672, 224 ], "parameters": { "options": {}, "sheetName": { "__rl": true, "mode": "list", "value": "gid=0", "cachedResultUrl": "", "cachedResultName": "FAQ" }, "documentId": { "__rl": true, "mode": "list", "value": "1YEf9xuQGoOFKOxiTHDCJSz-m-Oke-SPj8dY6Nd4Np4c", "cachedResultUrl": "", "cachedResultName": "Database" } }, "credentials": { "googleSheetsOAuth2Api": { "name": "" } }, "typeVersion": 4.7 }, { "id": "24d7069b-7738-47cd-8932-c557676fc9c2", "name": "Agent Context", "type": "n8n-nodes-base.set", "position": [ 544, -160 ], "parameters": { "options": {}, "assignments": { "assignments": [ { "id": "7182b6f8-b1b2-4dd8-a5a0-d0c820816767", "name": "chat_id", "type": "string", "value": "={{ $('WhatsApp Message Received').item.json.metadata.phone_number_id }}" }, { "id": "433cf6ab-8939-412b-aa92-6fca6af534e9", "name": "from", "type": "string", "value": "={{ $('WhatsApp Message Received').item.json.messages[0].from }}" }, { "id": "f19e6d2a-6ffa-41e3-8ff3-44b70976d0d4", "name": "text", "type": "string", "value": "={{ $json.text || $('WhatsApp Message Received').item.json.messages[0]?.text?.body || ''}}" } ] } }, "typeVersion": 3.4 }, { "id": "9e7842c0-de0f-4aac-a830-bc70a4e4b614", "name": "Chat Router", "type": "n8n-nodes-base.switch", "position": [ -208, -144 ], "parameters": { "rules": { "values": [ { "outputKey": "text", "conditions": { "options": { "version": 2, "leftValue": "", "caseSensitive": true, "typeValidation": "strict" }, "combinator": "and", "conditions": [ { "id": "a561aab7-4c3b-4c96-9bb7-078281b5c7d5", "operator": { "type": "string", "operation": "equals" }, "leftValue": "={{ $json.messages[0].type }}", "rightValue": "text" } ] }, "renameOutput": true }, { "outputKey": "voice", "conditions": { "options": { "version": 2, "leftValue": "", "caseSensitive": true, "typeValidation": "strict" }, "combinator": "and", "conditions": [ { "id": "b7f1055d-6651-416f-b0cd-c46e003d4f3a", "operator": { "type": "string", "operation": "equals" }, "leftValue": "={{ $json.messages[0].type }}", "rightValue": "audio" } ] }, "renameOutput": true } ] }, "options": {} }, "typeVersion": 3.2 }, { "id": "8fb27413-ab5f-4757-afe8-1df81dcf578d", "name": "get_services", "type": "n8n-nodes-base.googleSheetsTool", "position": [ 928, 224 ], "parameters": { "options": {}, "sheetName": { "__rl": true, "mode": "list", "value": 1356596420, "cachedResultUrl": "", "cachedResultName": "SERVICES" }, "documentId": { "__rl": true, "mode": "list", "value": "1YEf9xuQGoOFKOxiTHDCJSz-m-Oke-SPj8dY6Nd4Np4c", "cachedResultUrl": "", "cachedResultName": "Database" } }, "credentials": { "googleSheetsOAuth2Api": { "name": "" } }, "typeVersion": 4.7 }, { "id": "b83be440-9e12-44fd-b003-7526dd835905", "name": "ai_chat", "type": "@n8n/n8n-nodes-langchain.lmChatGoogleGemini", "position": [ 608, 32 ], "parameters": { "options": {} }, "credentials": { "googlePalmApi": { "name": "" } }, "typeVersion": 1 }, { "id": "ef0a1451-f68b-40f5-a7d6-c0a0fa4ea87d", "name": "Send message", "type": "n8n-nodes-base.whatsApp", "position": [ 1360, -160 ], "parameters": { "textBody": "={{ $json.output }}", "operation": "send", "phoneNumberId": "={{ $('Agent Context').item.json.chat_id }}", "additionalFields": {}, "recipientPhoneNumber": "={{ $('Agent Context').item.json.from }}" }, "credentials": { "whatsAppApi": { "name": "" } }, "typeVersion": 1 }, { "id": "cb3bc335-7def-4ed5-962d-8dcd33e383f6", "name": "Sticky Note", "type": "n8n-nodes-base.stickyNote", "position": [ -1200, -640 ], "parameters": { "width": 864, "height": 608, "content": "## WhatsApp customer service bot with FAQ and appointment scheduling\n\n### Who\u2019s it for\nThis template is designed for businesses that provide customer support and appointment-based services over WhatsApp. It\u2019s ideal for service providers (e.g., clinics, salons, repair shops, consultants) that want to automate FAQs, share service information, and schedule appointments without manual effort.\n\n### How it works\n- Answers FAQs by querying a Google Sheet knowledge base.\n- Provides service information (name, description, price) from a Google Sheet.\n- Schedules appointments by:\n 1. Asking which service the customer wants.\n 2. Collecting preferred day and time.\n 3. Checking Google Calendar for availability.\n 4. Offering 3 slots and letting the customer choose.\n 5. Collecting name, email, and phone.\n 6. Creating the appointment in Google Calendar.\n- Sends all replies through WhatsApp.\n\n### Requirements\n- Google Sheets (for FAQs and Services)\n- Google Calendar\n- WhatsApp integration in n8n\n" }, "typeVersion": 1 }, { "id": "cbd8557c-b7cf-4c3b-819f-185627c444c9", "name": "Sticky Note1", "type": "n8n-nodes-base.stickyNote", "position": [ 592, 256 ], "parameters": { "color": 5, "height": 368, "content": "\n\n\n\n\n\n\n\n\n## FAQ Handling\nThis step checks the FAQ Google Sheet (columns: id | question | answer). \nIt retrieves the closest match to the customer\u2019s question and returns the answer.\n" }, "typeVersion": 1 }, { "id": "1f6d9f0f-6bfb-4b4d-ae94-5af40e4c395e", "name": "Sticky Note2", "type": "n8n-nodes-base.stickyNote", "position": [ 848, 256 ], "parameters": { "color": 5, "height": 368, "content": "\n\n\n\n\n\n\n\n\n## Service Information\nThis step looks up the Services Google Sheet (columns: id | service_name | service_description | price). \nIt provides details about available services and pricing.\n" }, "typeVersion": 1 }, { "id": "2738b689-a5ab-4e15-bf33-c133cc07dc98", "name": "Sticky Note3", "type": "n8n-nodes-base.stickyNote", "position": [ 1104, 256 ], "parameters": { "color": 6, "height": 368, "content": "\n\n\n\n\n\n\n\n\n## Schedule Availability\nThis step asks the customer for their preferred service, day, and time. \nIt then queries Google Calendar for available slots and returns 3 options.\n" }, "typeVersion": 1 }, { "id": "796d6a12-5046-4d6a-aae2-b659d7bebe30", "name": "Sticky Note4", "type": "n8n-nodes-base.stickyNote", "position": [ 1360, 256 ], "parameters": { "color": 6, "width": 224, "height": 368, "content": "\n\n\n\n\n\n\n\n\n## Appointment Confirmation\nOnce the customer selects a slot, we collect their name, email, and phone number. \nThen, we create a Google Calendar event with this info using the set_appointment node.\n" }, "typeVersion": 1 }, { "id": "a795a3d0-5f77-46ed-af14-8c68c057c88c", "name": "Sticky Note5", "type": "n8n-nodes-base.stickyNote", "position": [ 1248, -336 ], "parameters": { "color": 4, "width": 320, "height": 336, "content": "## WhatsApp Replies\nAll communication with the user is done through the agent_reply node (WhatsApp integration). \nThis ensures the customer gets confirmations, slot options, and service details directly in chat.\n" }, "typeVersion": 1 }, { "id": "beef1f37-e019-49f3-a64b-944b3a448fe0", "name": "Sticky Note6", "type": "n8n-nodes-base.stickyNote", "position": [ -48, -48 ], "parameters": { "color": 2, "width": 512, "height": 288, "content": "\n\n\n\n\n\n\n\n\n\n\n\n## Voice note transcribe\n** Voice Notes sent by customers are transformed into text for further processing by the AI Agent," }, "typeVersion": 1 } ], "connections": { "ai_chat": { "ai_languageModel": [ [ { "node": "Customer Service Agent", "type": "ai_languageModel", "index": 0 } ] ] }, "faq_base": { "ai_tool": [ [ { "node": "Customer Service Agent", "type": "ai_tool", "index": 0 } ] ] }, "Get Audio": { "main": [ [ { "node": "Transcribe audio", "type": "main", "index": 0 } ] ] }, "ai_memory": { "ai_memory": [ [ { "node": "Customer Service Agent", "type": "ai_memory", "index": 0 } ] ] }, "Chat Router": { "main": [ [ { "node": "Agent Context", "type": "main", "index": 0 } ], [ { "node": "Download Voice", "type": "main", "index": 0 } ] ] }, "Is Message?": { "main": [ [ { "node": "Chat Router", "type": "main", "index": 0 } ], [ { "node": "No Operation, do nothing", "type": "main", "index": 0 } ] ] }, "get_schedule": { "ai_tool": [ [ { "node": "Customer Service Agent", "type": "ai_tool", "index": 0 } ] ] }, "get_services": { "ai_tool": [ [ { "node": "Customer Service Agent", "type": "ai_tool", "index": 0 } ] ] }, "Agent Context": { "main": [ [ { "node": "Customer Service Agent", "type": "main", "index": 0 } ] ] }, "Download Voice": { "main": [ [ { "node": "Get Audio", "type": "main", "index": 0 } ] ] }, "set_appointment": { "ai_tool": [ [ { "node": "Customer Service Agent", "type": "ai_tool", "index": 0 } ] ] }, "Transcribe audio": { "main": [ [ { "node": "Agent Context", "type": "main", "index": 0 } ] ] }, "Customer Service Agent": { "main": [ [ { "node": "Send message", "type": "main", "index": 0 } ] ] }, "WhatsApp Message Received": { "main": [ [ { "node": "Is Message?", "type": "main", "index": 0 } ] ] } } }