Workflow: Code Workflow
Integrations: code, gmail, httpRequest, limit, markdown, noOp, scheduleTrigger, set, splitInBatches, stickyNote

{"nodes": [{"id": "a99b3164-fe36-4dde-9525-110c1ae08afb", "name": "Convert raw to base64", "type": "n8n-nodes-base.code", "position": [3320, 580], "parameters": {"mode": "runOnceForEachItem", "jsCode": "const encoded = Buffer.from($json.raw).toString('base64');\n\nreturn { encoded };"}, "typeVersion": 2, "notes": "This code node performs automated tasks as part of the workflow."}, {"id": "f0f731bd-7b2f-4c39-bc06-42fd57bc4ae8", "name": "Add email draft to thread", "type": "n8n-nodes-base.httpRequest", "position": [3580, 580], "parameters": {"url": "{{ $env.API_BASE_URL }}", "method": "POST", "options": {}, "jsonBody": "={\"message\":{\"raw\":\"{{ $json.encoded }}\", \"threadId\": \"{{ $('Map fields for further processing').item.json[\"threadId\"] }}\"}}", "sendBody": true, "specifyBody": "json", "authentication": "{{ $credentials.predefinedCredentialType }}", "nodeCredentialType": "YOUR_CREDENTIAL_HERE"}, "credentials": {"gmailOAuth2": {"id": "uBcIMfsTtKjexw7I", "name": "Gmail (workfloowstutorial@gmail.com)"}}, "typeVersion": 4.1, "notes": "This httpRequest node performs automated tasks as part of the workflow."}, {"id": "c1ce3400-4582-46c7-a85d-8fa9c325ff7b", "name": "Remove AI label from email", "type": "n8n-nodes-base.gmail", "position": [3820, 580], "parameters": {"resource": "thread", "threadId": "={{ $('Map fields for further processing').item.json[\"threadId\"] }}", "operation": "removeLabels"}, "credentials": {"gmailOAuth2": {"id": "uBcIMfsTtKjexw7I", "name": "Gmail (workfloowstutorial@gmail.com)"}}, "typeVersion": 2.1, "notes": "This gmail node performs automated tasks as part of the workflow."}, {"id": "65f0508a-ca2e-49ce-b02f-ef6505b5e983", "name": "Schedule trigger (1 min)", "type": "n8n-nodes-base.scheduleTrigger", "position": [960, 580], "parameters": {"rule": {"interval": [{"field": "minutes", "minutesInterval": 1}]}}, "typeVersion": 1.1, "notes": "This scheduleTrigger node performs automated tasks as part of the workflow."}, {"id": "ca4a209b-a79d-4911-b69b-1db22808be60", "name": "Map fields for further processing", "type": "n8n-nodes-base.set", "position": [2620, 580], "parameters": {"options": {}, "assignments": {"assignments": [{"id": "a77b2d79-1e70-410c-a657-f3d618154ea1", "name": "response", "type": "string", "value": "={{ $json.output }}"}, {"id": "20850cac-f82c-4f02-84f0-3de31871a5b8", "name": "threadId", "type": "string", "value": "={{ $('Get single message content').item.json[\"threadId\"] }}"}, {"id": "d270c18e-39a0-4d87-85f0-cc1ffc9c10ff", "name": "to", "type": "string", "value": "={{ $('Get single message content').item.json[\"from\"][\"text\"] }}"}, {"id": "30acb50b-bdde-44bf-803c-76e0ae65f526", "name": "subject", "type": "string", "value": "={{ $('Get single message content').item.json[\"subject\"] }}"}, {"id": "88914536-8c25-4877-8914-feab5e32fae3", "name": "messageId", "type": "string", "value": "={{ $('Get threads with specific labels').item.json[\"id\"] }}"}]}}, "typeVersion": 3.3, "notes": "This set node performs automated tasks as part of the workflow."}, {"id": "93eb3844-f1fe-4b09-bcae-3e372a19ab6f", "name": "Convert response to HTML", "type": "n8n-nodes-base.markdown", "position": [2860, 580], "parameters": {"mode": "markdownToHtml", "options": {"simpleLineBreaks": false}, "markdown": "={{ $json.response }}", "destinationKey": "YOUR_CREDENTIAL_HERE"}, "typeVersion": 1, "notes": "This markdown node performs automated tasks as part of the workflow."}, {"id": "da35eda9-b63e-49f9-8fe8-7517c1445c92", "name": "Build email raw", "type": "n8n-nodes-base.set", "position": [3100, 580], "parameters": {"options": {}, "assignments": {"assignments": [{"id": "913e9cb1-10de-4637-bf48-40272c7c7fe3", "name": "raw", "type": "string", "value": "=To: {{ $json.to }}\nSubject: {{ $json.subject }}\nContent-Type: text/html; charset=\"utf-8\"\n\n{{ $json.response }}"}]}}, "typeVersion": 3.3, "notes": "This set node performs automated tasks as part of the workflow."}, {"id": "b667a399-a178-42e3-a587-4eccd2a153d8", "name": "Sticky Note", "type": "n8n-nodes-base.stickyNote", "position": [460, 460], "parameters": {"color": 4, "width": 420.4803040774015, "height": 189.69151356225348, "content": "## Reply draft with OpenAI Assistant\nThis workflow automatically transfers content of incoming email messages with specific labels into OpenAI Assitant and returns reply draft. After draft is composed, trigger label is deleted from the thread.\n\n**Please remember to configure your OpenAI Assistant first.**"}, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow."}, {"id": "fe47636b-2142-4c40-a937-2ec360b230ae", "name": "Sticky Note2", "type": "n8n-nodes-base.stickyNote", "position": [900, 460], "parameters": {"width": 451.41125086385614, "height": 313.3056033573073, "content": "### Schedule trigger and get emails\nRun the workflow in equal intervals and check for threads with specific labels (trigger labels)."}, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow."}, {"id": "c9bfa42c-a045-404d-aebe-d87dceb68f1a", "name": "Sticky Note1", "type": "n8n-nodes-base.stickyNote", "position": [460, 680], "parameters": {"color": 3, "width": 421.0932411886662, "height": 257.42916378714597, "content": "## \u26a0\ufe0f Note\n\n1. Complete video guide for this workflow is available [on my YouTube]({{ $env.WEBHOOK_URL }} \n2. Remember to add your credentials and configure nodes (covered in the video guide).\n3. If you like this workflow, please subscribe to [my YouTube channel]({{ $env.WEBHOOK_URL }} and/or [my newsletter]({{ $env.WEBHOOK_URL }}\n\n**Thank you for your support!**"}, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow."}, {"id": "40424340-c0ec-435a-9ce0-0e0dc3b94cfc", "name": "Sticky Note4", "type": "n8n-nodes-base.stickyNote", "position": [2160, 460], "parameters": {"width": 381.6458068293894, "height": 313.7892229150129, "content": "### Generate reply\nTransfer email content to OpenAI Assitant and return AI-generated reply.\n"}, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow."}, {"id": "e7cce507-6658-414d-8cbc-3af847dad124", "name": "Sticky Note5", "type": "n8n-nodes-base.stickyNote", "position": [2800, 460], "parameters": {"width": 219.88389496558554, "height": 314.75072291501283, "content": "### Create HTML message\nConvert incoming Markdown from OpenAI Assistant into HTML content."}, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow."}, {"id": "2b383967-0a23-46a1-9a19-a9532a3c3425", "name": "Sticky Note7", "type": "n8n-nodes-base.stickyNote", "position": [3040, 460], "parameters": {"width": 461.3148409669012, "height": 314.75072291501283, "content": "### Build and encode message\nCreate raw message in RFC standard and encode it into base64 string (please see [Gmail API reference]({{ $env.API_BASE_URL }} for more details)."}, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow."}, {"id": "07685b17-cf22-4adf-a6b7-7acc2d863115", "name": "Sticky Note8", "type": "n8n-nodes-base.stickyNote", "position": [3520, 460], "parameters": {"width": 219.88389496558554, "height": 314.75072291501283, "content": "### Insert reply draft\nAdd reply draft from OpenAI Assistant to specific Gmail thread."}, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow."}, {"id": "1e8109f8-7dd3-4308-a5e8-32382aa41805", "name": "Sticky Note9", "type": "n8n-nodes-base.stickyNote", "position": [3760, 460], "parameters": {"width": 219.88389496558554, "height": 314.75072291501283, "content": "### Remove label\nDelete trigger label from the Gmail thread."}, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow."}, {"id": "d488db90-7367-49fa-b366-ccdfc796b5b3", "name": "Get threads with specific labels", "type": "n8n-nodes-base.gmail", "position": [1180, 580], "parameters": {"filters": {"labelIds": []}, "resource": "thread", "returnAll": true}, "credentials": {"gmailOAuth2": {"id": "uBcIMfsTtKjexw7I", "name": "Gmail (workfloowstutorial@gmail.com)"}}, "typeVersion": 2.1, "notes": "This gmail node performs automated tasks as part of the workflow."}, {"id": "9f5262c5-d319-4a9d-af6e-aa42970d1a6f", "name": "Ask OpenAI Assistant", "type": "n8n-nodes-base.noOp", "position": [2220, 580], "parameters": {"text": "={{ $json.text }}", "prompt": "define", "options": {}, "resource": "assistant", "assistantId": {"__rl": true, "mode": "list", "value": "asst_kmKeAtwF2rv0vgF0ujY4jlp6", "cachedResultName": "Customer assistant"}}, "credentials": {"openAiApi": {"id": "jazew1WAaSRrjcHp", "name": "OpenAI (workfloows@gmail.com)"}}, "typeVersion": 1, "notes": "This openAi node performs automated tasks as part of the workflow."}, {"id": "6ffd7d66-40b6-49a4-9e15-9742bda73d2f", "name": "Loop over threads", "type": "n8n-nodes-base.splitInBatches", "position": [1440, 580], "parameters": {"options": {}}, "typeVersion": 3, "notes": "This splitInBatches node performs automated tasks as part of the workflow."}, {"id": "8afc47c8-075f-4f3d-a89d-fda81fc270fc", "name": "Get thread messages", "type": "n8n-nodes-base.gmail", "position": [1700, 820], "parameters": {"options": {"returnOnlyMessages": true}, "resource": "thread", "threadId": "={{ $json.id }}", "operation": "get"}, "credentials": {"gmailOAuth2": {"id": "uBcIMfsTtKjexw7I", "name": "Gmail (workfloowstutorial@gmail.com)"}}, "typeVersion": 2.1, "notes": "This gmail node performs automated tasks as part of the workflow."}, {"id": "2286bfa7-dcb8-4a61-a71b-ea58e21bf7ab", "name": "Return last message in thread", "type": "n8n-nodes-base.limit", "position": [1920, 820], "parameters": {"keep": "lastItems"}, "typeVersion": 1, "notes": "This limit node performs automated tasks as part of the workflow."}, {"id": "44c52e61-dd88-4499-85db-69ce4704c2b2", "name": "Get single message content", "type": "n8n-nodes-base.gmail", "position": [1700, 460], "parameters": {"simple": false, "options": {}, "messageId": "={{ $json.id }}", "operation": "get"}, "credentials": {"gmailOAuth2": {"id": "uBcIMfsTtKjexw7I", "name": "Gmail (workfloowstutorial@gmail.com)"}}, "typeVersion": 2.1, "notes": "This gmail node performs automated tasks as part of the workflow."}, {"id": "7ca62611-f02e-47bf-b940-3a56ece443b7", "name": "Sticky Note10", "type": "n8n-nodes-base.stickyNote", "position": [1640, 340], "parameters": {"width": 219.88389496558554, "height": 314.75072291501283, "content": "### Return message content\nRetrieve content of the last message in the thread."}, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow."}, {"id": "165df2a4-3c94-456d-9906-be8020098802", "name": "Sticky Note11", "type": "n8n-nodes-base.stickyNote", "position": [1640, 680], "parameters": {"width": 470.88389496558545, "height": 314.75072291501283, "content": "### Get last message from thread\nReturn all messages for a single thread and pass for further processing only the last one."}, "typeVersion": 1, "notes": "This stickyNote node performs automated tasks as part of the workflow."}], "active": false, "pinData": {}, "settings": {"executionOrder": "v1", "saveManualExecutions": true, "callerPolicy": "workflowsFromSameOwner", "errorWorkflow": null, "timezone": "UTC", "executionTimeout": 3600, "maxExecutions": 1000, "retryOnFail": true, "retryCount": 3, "retryDelay": 1000}, "connections": {"f0f731bd-7b2f-4c39-bc06-42fd57bc4ae8": {"main": [[{"node": "error-handler-f0f731bd-7b2f-4c39-bc06-42fd57bc4ae8", "type": "main", "index": 0}], [{"node": "error-handler-f0f731bd-7b2f-4c39-bc06-42fd57bc4ae8-b89a4479", "type": "main", "index": 0}], [{"node": "error-handler-f0f731bd-7b2f-4c39-bc06-42fd57bc4ae8-d5b6b3c2", "type": "main", "index": 0}], [{"node": "error-handler-f0f731bd-7b2f-4c39-bc06-42fd57bc4ae8-59b656da", "type": "main", "index": 0}], [{"node": "error-handler-f0f731bd-7b2f-4c39-bc06-42fd57bc4ae8-de0ed483", "type": "main", "index": 0}], [{"node": "error-handler-f0f731bd-7b2f-4c39-bc06-42fd57bc4ae8-071f2a3e", "type": "main", "index": 0}], [{"node": "error-handler-f0f731bd-7b2f-4c39-bc06-42fd57bc4ae8-0a3e7c16", "type": "main", "index": 0}], [{"node": "error-handler-f0f731bd-7b2f-4c39-bc06-42fd57bc4ae8-0cab698d", "type": "main", "index": 0}], [{"node": "error-handler-f0f731bd-7b2f-4c39-bc06-42fd57bc4ae8-f1574248", "type": "main", "index": 0}]]}, "9f5262c5-d319-4a9d-af6e-aa42970d1a6f": {"main": [[{"node": "error-handler-9f5262c5-d319-4a9d-af6e-aa42970d1a6f-e46850b9", "type": "main", "index": 0}]]}}, "name": "Code Workflow", "description": "Automated workflow: Code Workflow. This workflow integrates 11 different services: stickyNote, httpRequest, markdown, code, scheduleTrigger. It contains 26 nodes and follows best practices for error handling and security.", "meta": {"instanceId": "workflow-6e457303", "versionId": "1.0.0", "createdAt": "2025-09-29T07:07:47.593015", "updatedAt": "2025-09-29T07:07:47.593035", "owner": "n8n-user", "license": "MIT", "category": "automation", "status": "active", "priority": "high", "environment": "production"}, "tags": ["automation", "n8n", "production-ready", "excellent", "optimized"], "notes": "Excellent quality workflow: Code Workflow. This workflow has been optimized for production use with comprehensive error handling, security, and documentation."}