This workflow follows the Gmail → Gmail Trigger recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
Copy or download the full n8n JSON below. Paste it into a new n8n workflow, add your credentials, activate. Full import guide →
{
"name": "EnquiryFlow",
"nodes": [
{
"parameters": {
"pollTimes": {
"item": [
{
"mode": "everyMinute"
}
]
},
"simple": false,
"filters": {
"labelIds": [
"INBOX"
]
},
"options": {
"downloadAttachments": true
}
},
"type": "n8n-nodes-base.gmailTrigger",
"typeVersion": 1.3,
"position": [
0,
64
],
"id": "17568370-d81a-4dab-964f-dd7d6a78d728",
"name": "Gmail Trigger",
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"method": "POST",
"url": "https://api.anthropic.com/v1/messages",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "x-api-key",
"value": "<Your API Key>"
},
{
"name": "anthropic-version",
"value": "2023-06-01"
},
{
"name": "content-type",
"value": "application/json"
}
]
},
"sendBody": true,
"contentType": "raw",
"rawContentType": "application/json",
"body": "={{ $json.requestBody }}",
"options": {}
},
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.4,
"position": [
1344,
160
],
"id": "0d2d6c7d-f5cf-4962-93e9-23095442e460",
"name": "Claude - Text Only"
},
{
"parameters": {
"jsCode": "const raw = $input.first().json.content[0].text;\nconst cleaned = raw.replace(/```json\\n?/g, '').replace(/```\\n?/g, '').trim();\nconst parsed = JSON.parse(cleaned);\nreturn [{ json: parsed }];"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1568,
64
],
"id": "de2154cd-6e53-4100-a7e9-2ad1412ad21b",
"name": "Parse Claude Response"
},
{
"parameters": {
"operation": "append",
"documentId": {
"__rl": true,
"value": "1_bFrlrVgm2n-2EAJgvapQL-5gOnW0QghQNV5enZdIiE",
"mode": "list",
"cachedResultName": "enquiry-mails",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1_bFrlrVgm2n-2EAJgvapQL-5gOnW0QghQNV5enZdIiE/edit?usp=drivesdk"
},
"sheetName": {
"__rl": true,
"value": "gid=0",
"mode": "list",
"cachedResultName": "Sheet1",
"cachedResultUrl": "https://docs.google.com/spreadsheets/d/1_bFrlrVgm2n-2EAJgvapQL-5gOnW0QghQNV5enZdIiE/edit#gid=0"
},
"columns": {
"mappingMode": "defineBelow",
"value": {
"summary": "={{ $json.summary }}",
"urgency": "={{ $json.urgency }}",
"deadline": "={{ $json.deadline ? $json.deadline : 'Not specified' }}",
"budget_indicated": "={{ $json.budget_indicated ? 'Yes' : 'Not indicated' }}",
"returning_customer": "={{ $json.returning_customer }}",
"line_items": "={{ $json.line_items.reduce((total, item) => total + item.quantity, 0) }}",
"open_questions": "={{ $json.open_questions.join(', ') }}",
"recommended_next_action": "={{ $json.recommended_next_action }}",
"confidence_score": "={{ $json.confidence_score }}",
"name": "={{ $json.customer.name }}",
"company": "={{ $json.customer.company ? $json.customer.company : 'Individual / not provided' }}",
"email": "={{ $json.customer.email ? $json.customer.email : 'Not provided' }}",
"phone": "={{ $json.customer.phone ? $json.customer.phone.replace(/\\s/g, '') : null }}",
"location": "={{ $json.customer.location }}"
},
"matchingColumns": [
"name"
],
"schema": [
{
"id": "name",
"displayName": "name",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true,
"removed": false
},
{
"id": "company",
"displayName": "company",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true,
"removed": false
},
{
"id": "email",
"displayName": "email",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true,
"removed": false
},
{
"id": "phone",
"displayName": "phone",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true,
"removed": false
},
{
"id": "location",
"displayName": "location",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true,
"removed": false
},
{
"id": "summary",
"displayName": "summary",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true,
"removed": false
},
{
"id": "urgency",
"displayName": "urgency",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true,
"removed": false
},
{
"id": "deadline",
"displayName": "deadline",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true,
"removed": false
},
{
"id": "budget_indicated",
"displayName": "budget_indicated",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true,
"removed": false
},
{
"id": "returning_customer",
"displayName": "returning_customer",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true,
"removed": false
},
{
"id": "line_items",
"displayName": "line_items",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true,
"removed": false
},
{
"id": "open_questions",
"displayName": "open_questions",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true,
"removed": false
},
{
"id": "recommended_next_action",
"displayName": "recommended_next_action",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true,
"removed": false
},
{
"id": "confidence_score",
"displayName": "confidence_score",
"required": false,
"defaultMatch": false,
"display": true,
"type": "string",
"canBeUsedToMatch": true,
"removed": false
}
],
"attemptToConvertTypes": false,
"convertFieldsToString": false
},
"options": {}
},
"type": "n8n-nodes-base.googleSheets",
"typeVersion": 4.7,
"position": [
1792,
64
],
"id": "fca2dae0-d2d1-44b5-97a7-5006236998a0",
"name": "Log to Google Sheets",
"credentials": {
"googleSheetsOAuth2Api": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"sendTo": "rohitkd207@gmail.com",
"subject": "={{ 'New enquiry \u2014 ' + $json.name + ' (' + $json.urgency + ' urgency)' }}",
"message": "=<h2>New Flight Case Enquiry</h2>\n\n<table style=\"border-collapse:collapse;width:100%;font-family:Arial,sans-serif;font-size:14px;\">\n <tr style=\"background:#f5f5f5;\">\n <td style=\"padding:8px;border:1px solid #ddd;font-weight:bold;\">Customer</td>\n <td style=\"padding:8px;border:1px solid #ddd;\">{{ $json.name }}</td>\n </tr>\n <tr>\n <td style=\"padding:8px;border:1px solid #ddd;font-weight:bold;\">Email</td>\n <td style=\"padding:8px;border:1px solid #ddd;\">{{ $json.email }}</td>\n </tr>\n <tr style=\"background:#f5f5f5;\">\n <td style=\"padding:8px;border:1px solid #ddd;font-weight:bold;\">Urgency</td>\n <td style=\"padding:8px;border:1px solid #ddd;\">{{ $json.urgency }}</td>\n </tr>\n <tr>\n <td style=\"padding:8px;border:1px solid #ddd;font-weight:bold;\">Deadline</td>\n <td style=\"padding:8px;border:1px solid #ddd;\">{{ $json.deadline }}</td>\n </tr>\n <tr style=\"background:#f5f5f5;\">\n <td style=\"padding:8px;border:1px solid #ddd;font-weight:bold;\">Items</td>\n <td style=\"padding:8px;border:1px solid #ddd;\">{{ $json.line_items }}</td>\n </tr>\n <tr>\n <td style=\"padding:8px;border:1px solid #ddd;font-weight:bold;\">Confidence</td>\n <td style=\"padding:8px;border:1px solid #ddd;\">{{ $json.confidence_score }}</td>\n </tr>\n</table>\n\n<h3>AI Summary</h3>\n<p>{{ $json.summary }}</p>\n\n<h3>Recommended Next Action</h3>\n<p><strong>{{ $json.recommended_next_action }}</strong></p>\n\n<p style=\"color:#888;font-size:12px;\">Generated automatically by NSP Cases AI Enquiry Processor</p>",
"options": {}
},
"type": "n8n-nodes-base.gmail",
"typeVersion": 2.2,
"position": [
2016,
64
],
"id": "53fb008a-422c-492c-a01a-42542123def7",
"name": "Email Sales Team",
"credentials": {
"gmailOAuth2": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 3
},
"conditions": [
{
"id": "49474334-42c9-497b-9b22-c0fd38a199bc",
"leftValue": "={{ $json.headers?.['content-type'] || $json.payload?.mimeType }}",
"rightValue": "=multipart/mixed",
"operator": {
"type": "string",
"operation": "contains"
}
}
],
"combinator": "and"
},
"options": {}
},
"type": "n8n-nodes-base.if",
"typeVersion": 2.3,
"position": [
224,
64
],
"id": "4ee97934-b9cc-4c8a-b7a3-4c4b5b7e5629",
"name": "Has Attachment?"
},
{
"parameters": {
"url": "={{ 'https://gmail.googleapis.com/gmail/v1/users/me/messages/' + $('Gmail Trigger').item.json.id + '?format=full' }}",
"authentication": "predefinedCredentialType",
"nodeCredentialType": "googleOAuth2Api",
"options": {}
},
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.4,
"position": [
448,
-32
],
"id": "f50dab1c-f0da-44f8-9eab-437e0a26e0ae",
"name": "Get Full Gmail Message",
"credentials": {
"googleOAuth2Api": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"url": "={{ 'https://gmail.googleapis.com/gmail/v1/users/me/messages/' + $('Gmail Trigger').item.json.id + '/attachments/' + $json.payload.parts[1].body.attachmentId }}",
"authentication": "predefinedCredentialType",
"nodeCredentialType": "googleOAuth2Api",
"options": {}
},
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.4,
"position": [
672,
-32
],
"id": "be682d4d-af48-4a22-b283-6bbbb36ddc1d",
"name": " Fetch Attachment Data",
"credentials": {
"googleOAuth2Api": {
"name": "<your credential>"
}
}
},
{
"parameters": {
"jsCode": "const rawData = $input.first().json.data;\nconst fixedBase64 = rawData.replace(/-/g, '+').replace(/_/g, '/');\n\nreturn [{\n json: {\n imageBase64: fixedBase64,\n imageMimeType: 'image/svg+xml',\n imageFilename: 'flight_case_technical_drawing.svg',\n emailText: $('Gmail Trigger').item.json.text,\n emailSubject: $('Gmail Trigger').item.json.subject,\n emailFrom: $('Gmail Trigger').item.json.from\n }\n}];"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
896,
-32
],
"id": "fb51f161-360c-47ca-be5c-c845c5679384",
"name": "Extract Base64 Image"
},
{
"parameters": {
"jsCode": "const gmailData = $('Gmail Trigger').item.json;\nconst previousCode = $('Extract Base64 Image').item.json;\n\nconst svgBase64 = previousCode.imageBase64;\nconst svgText = Buffer.from(svgBase64, 'base64').toString('utf-8');\n\nconst emailFrom = gmailData.from?.value?.[0]?.address || 'unknown@email.com';\nconst emailSubject = gmailData.subject || 'No subject';\nconst emailText = gmailData.text || gmailData.snippet || '';\n\nconst body = {\n model: \"claude-opus-4-5-20251101\",\n max_tokens: 1000,\n system: \"You are an AI assistant for NSP Cases, a UK flight case manufacturer. Parse incoming customer enquiry emails and extract structured information. A technical drawing is attached as SVG code \u2014 extract any dimensions, annotations, or requirements visible in it and include them in your analysis. Respond with ONLY a valid JSON object, no markdown, no explanation. Schema: {\\\"customer\\\":{\\\"name\\\":string,\\\"company\\\":string,\\\"email\\\":string,\\\"phone\\\":string|null,\\\"location\\\":string|null},\\\"summary\\\":string,\\\"urgency\\\":\\\"low\\\"|\\\"medium\\\"|\\\"high\\\",\\\"deadline\\\":string|null,\\\"budget_indicated\\\":boolean,\\\"returning_customer\\\":boolean,\\\"has_attachment\\\":boolean,\\\"attachment_notes\\\":string,\\\"line_items\\\":[{\\\"item_number\\\":number,\\\"description\\\":string,\\\"quantity\\\":number,\\\"dimensions_mm\\\":{\\\"width\\\":number|null,\\\"height\\\":number|null,\\\"depth\\\":number|null},\\\"special_requirements\\\":string[]}],\\\"open_questions\\\":string[],\\\"recommended_next_action\\\":string,\\\"confidence_score\\\":number}\",\n messages: [\n {\n role: \"user\",\n content: `Parse this enquiry email and the attached technical drawing (provided as SVG code below):\\n\\nFrom: ${emailFrom}\\nSubject: ${emailSubject}\\n\\n${emailText}\\n\\n---\\nATTACHED TECHNICAL DRAWING (SVG):\\n${svgText}`\n }\n ]\n};\n\nreturn [{ json: { requestBody: JSON.stringify(body) } }];"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1120,
-32
],
"id": "7a719556-d5b1-407a-bffa-7cb88a8cc4a5",
"name": "Build Claude Vision Request"
},
{
"parameters": {
"method": "POST",
"url": "https://api.anthropic.com/v1/messages",
"sendHeaders": true,
"headerParameters": {
"parameters": [
{
"name": "x-api-key",
"value": "<Your API Key>"
},
{
"name": "anthropic-version",
"value": "2023-06-01"
},
{
"name": "content-type",
"value": "application/json"
}
]
},
"sendBody": true,
"contentType": "raw",
"rawContentType": "application/json",
"body": "={{ $json.requestBody }}",
"options": {}
},
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 4.4,
"position": [
1344,
-32
],
"id": "55137c11-50ea-407f-832b-cb47717e7115",
"name": "Claude - Vision + Text"
},
{
"parameters": {
"jsCode": "const gmailData = $input.first().json;\n\nconst emailFrom = gmailData.headers?.from || gmailData.From || 'unknown';\nconst emailSubject = gmailData.subject || gmailData.Subject || 'No subject';\nconst emailText = gmailData.text || gmailData.snippet || '';\n\nconst body = {\n model: \"claude-opus-4-5-20251101\",\n max_tokens: 1000,\n system: \"You are an AI assistant for NSP Cases, a UK flight case manufacturer. Parse incoming customer enquiry emails and extract structured information. Respond with ONLY a valid JSON object, no markdown, no explanation. Schema: {\\\"customer\\\":{\\\"name\\\":string,\\\"company\\\":string,\\\"email\\\":string,\\\"phone\\\":string|null,\\\"location\\\":string|null},\\\"summary\\\":string,\\\"urgency\\\":\\\"low\\\"|\\\"medium\\\"|\\\"high\\\",\\\"deadline\\\":string|null,\\\"budget_indicated\\\":boolean,\\\"returning_customer\\\":boolean,\\\"line_items\\\":[{\\\"item_number\\\":number,\\\"description\\\":string,\\\"quantity\\\":number,\\\"dimensions_mm\\\":{\\\"width\\\":number|null,\\\"height\\\":number|null,\\\"depth\\\":number|null},\\\"special_requirements\\\":string[]}],\\\"open_questions\\\":string[],\\\"recommended_next_action\\\":string,\\\"confidence_score\\\":number}\",\n messages: [\n {\n role: \"user\",\n content: `Parse this enquiry email:\\n\\nFrom: ${emailFrom}\\nSubject: ${emailSubject}\\n\\n${emailText}`\n }\n ]\n};\n\nreturn [{ json: { requestBody: JSON.stringify(body) } }];"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1120,
160
],
"id": "39afb06f-a7d1-47fb-b866-ebe2b3d27cba",
"name": "Build Claude Text Request"
}
],
"connections": {
"Gmail Trigger": {
"main": [
[
{
"node": "Has Attachment?",
"type": "main",
"index": 0
}
]
]
},
"Claude - Text Only": {
"main": [
[
{
"node": "Parse Claude Response",
"type": "main",
"index": 0
}
]
]
},
"Parse Claude Response": {
"main": [
[
{
"node": "Log to Google Sheets",
"type": "main",
"index": 0
}
]
]
},
"Log to Google Sheets": {
"main": [
[
{
"node": "Email Sales Team",
"type": "main",
"index": 0
}
]
]
},
"Has Attachment?": {
"main": [
[
{
"node": "Get Full Gmail Message",
"type": "main",
"index": 0
}
],
[
{
"node": "Build Claude Text Request",
"type": "main",
"index": 0
}
]
]
},
"Get Full Gmail Message": {
"main": [
[
{
"node": " Fetch Attachment Data",
"type": "main",
"index": 0
}
]
]
},
" Fetch Attachment Data": {
"main": [
[
{
"node": "Extract Base64 Image",
"type": "main",
"index": 0
}
]
]
},
"Extract Base64 Image": {
"main": [
[
{
"node": "Build Claude Vision Request",
"type": "main",
"index": 0
}
]
]
},
"Build Claude Vision Request": {
"main": [
[
{
"node": "Claude - Vision + Text",
"type": "main",
"index": 0
}
]
]
},
"Claude - Vision + Text": {
"main": [
[
{
"node": "Parse Claude Response",
"type": "main",
"index": 0
}
]
]
},
"Build Claude Text Request": {
"main": [
[
{
"node": "Claude - Text Only",
"type": "main",
"index": 0
}
]
]
}
},
"active": false,
"settings": {
"executionOrder": "v1",
"binaryMode": "separate"
},
"versionId": "cd0649df-d315-461a-bc6b-cf450d56cfbc",
"meta": {
"templateCredsSetupCompleted": true
},
"id": "LY6VFKzOc46r0uhp",
"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.
gmailOAuth2googleOAuth2ApigoogleSheetsOAuth2Api
Pro
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About this workflow
EnquiryFlow. Uses gmailTrigger, httpRequest, googleSheets, gmail. Event-driven trigger; 12 nodes.
Source: https://github.com/roger-rkd/enquiryflow/blob/main/workflow/enquiryflow-workflow.json — original creator credit. Request a take-down →
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