Rahul Joshi This workflow corresponds to n8n.io template #11829 — we link there as the canonical source.
This workflow follows the Agent → Error Trigger recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
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{
"id": "tF9rFnUThB6yHXoy",
"name": "AI-Powered Script-to-Video Automation Workflow with Loveable UI And HeyGen",
"tags": [],
"nodes": [
{
"id": "fc6aea6d-7259-4e2a-8c0e-f96f8c80d68b",
"name": "Check HeyGen Video Status1",
"type": "n8n-nodes-base.httpRequest",
"position": [
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],
"parameters": {},
"typeVersion": 4.2
},
{
"id": "e67dc0e6-07b5-49bb-99bb-ef62974d8c2b",
"name": "Receive Script Request ",
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],
"parameters": {},
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{
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"name": "Parse Incoming Script Payload",
"type": "n8n-nodes-base.code",
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],
"parameters": {},
"typeVersion": 2
},
{
"id": "cc8ee808-65a9-452e-af2d-d44a5eb334e9",
"name": "Rewrite & Structure Video Script ",
"type": "@n8n/n8n-nodes-langchain.agent",
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],
"parameters": {},
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},
{
"id": "0c34a43e-d9ff-499f-9eb2-22d5c6fa0aff",
"name": "Apply Script Writing Memory Context",
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"position": [
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],
"parameters": {},
"typeVersion": 1.3
},
{
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"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
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"parameters": {},
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},
{
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"name": "Validate Structured Script Output",
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"parameters": {},
"typeVersion": 1.3
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{
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"name": "Submit Video Generation Request to HeyGen",
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],
"parameters": {},
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},
{
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{
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],
"parameters": {},
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{
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"name": "Evaluate Video Completion Status",
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],
"parameters": {},
"typeVersion": 2
},
{
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"name": "Download Generated HeyGen Video",
"type": "n8n-nodes-base.httpRequest",
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],
"parameters": {},
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},
{
"id": "507da046-8767-42d0-9a79-9012737b9e43",
"name": "Upload Generated Video to Google Drive",
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"parameters": {},
"typeVersion": 3
},
{
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"name": "Generate Completion Notifications ",
"type": "@n8n/n8n-nodes-langchain.agent",
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],
"parameters": {},
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},
{
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"name": "Apply Notification Context Memory",
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],
"parameters": {},
"typeVersion": 1.3
},
{
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"name": "LLM Engine for Notification Generation",
"type": "@n8n/n8n-nodes-langchain.lmChatOpenAi",
"position": [
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],
"parameters": {},
"typeVersion": 1.3
},
{
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"parameters": {},
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{
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"parameters": {},
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{
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"name": "Send Video Ready Email Notification",
"type": "n8n-nodes-base.gmail",
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"parameters": {},
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},
{
"id": "f1cff981-dfd1-4688-915d-e74fdedd1102",
"name": "Error Handler Trigger",
"type": "n8n-nodes-base.errorTrigger",
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],
"parameters": {},
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},
{
"id": "3127b7db-2ec9-4fb7-b80f-a46a551b1b84",
"name": "Slack: Send Error Alert",
"type": "n8n-nodes-base.slack",
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],
"parameters": {},
"typeVersion": 2.3
},
{
"id": "3fb84610-7b6d-45e8-be3d-4dd516cd32cd",
"name": "Sticky Note8",
"type": "n8n-nodes-base.stickyNote",
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],
"parameters": {
"content": ""
},
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},
{
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"name": "Sticky Note",
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"parameters": {
"content": ""
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},
{
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"name": "Sticky Note1",
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],
"parameters": {
"content": ""
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{
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"name": "Sticky Note2",
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],
"parameters": {
"content": ""
},
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},
{
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"name": "Sticky Note3",
"type": "n8n-nodes-base.stickyNote",
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],
"parameters": {
"content": ""
},
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},
{
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"name": "Sticky Note4",
"type": "n8n-nodes-base.stickyNote",
"position": [
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],
"parameters": {
"content": ""
},
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}
],
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "364ae7db-a35c-43a8-bbf1-a7886aeeecf3",
"connections": {
"Error Handler Trigger": {
"main": [
[
{
"node": "Slack: Send Error Alert",
"type": "main",
"index": 0
}
]
]
},
"Receive Script Request ": {
"main": [
[
{
"node": "Parse Incoming Script Payload",
"type": "main",
"index": 0
}
]
]
},
"Check HeyGen Video Status1": {
"main": [
[
{
"node": "Wait Before Rechecking Status",
"type": "main",
"index": 0
}
]
]
},
"Parse Incoming Script Payload": {
"main": [
[
{
"node": "Rewrite & Structure Video Script ",
"type": "main",
"index": 0
}
]
]
},
"Wait Before Rechecking Status": {
"main": [
[
{
"node": "Evaluate Video Completion Status",
"type": "main",
"index": 0
}
]
]
},
"Download Generated HeyGen Video": {
"main": [
[
{
"node": "Upload Generated Video to Google Drive",
"type": "main",
"index": 0
}
]
]
},
"LLM Engine for Script Rewriting": {
"ai_languageModel": [
[
{
"node": "Rewrite & Structure Video Script ",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Evaluate Video Completion Status": {
"main": [
[
{
"node": "Download Generated HeyGen Video",
"type": "main",
"index": 0
}
],
[
{
"node": "Wait Before Checking Video Status",
"type": "main",
"index": 0
}
]
]
},
"Apply Notification Context Memory": {
"ai_memory": [
[
{
"node": "Generate Completion Notifications ",
"type": "ai_memory",
"index": 0
}
]
]
},
"Rewrite & Structure Video Script ": {
"main": [
[
{
"node": "Submit Video Generation Request to HeyGen",
"type": "main",
"index": 0
}
]
]
},
"Validate Notification Output JSON": {
"ai_outputParser": [
[
{
"node": "Generate Completion Notifications ",
"type": "ai_outputParser",
"index": 0
}
]
]
},
"Validate Structured Script Output": {
"ai_outputParser": [
[
{
"node": "Rewrite & Structure Video Script ",
"type": "ai_outputParser",
"index": 0
}
]
]
},
"Wait Before Checking Video Status": {
"main": [
[
{
"node": "Check HeyGen Video Status1",
"type": "main",
"index": 0
}
]
]
},
"Generate Completion Notifications ": {
"main": [
[
{
"node": "Send Video Ready Email Notification",
"type": "main",
"index": 0
},
{
"node": "Send Video Ready Slack Notification",
"type": "main",
"index": 0
}
]
]
},
"Apply Script Writing Memory Context": {
"ai_memory": [
[
{
"node": "Rewrite & Structure Video Script ",
"type": "ai_memory",
"index": 0
}
]
]
},
"LLM Engine for Notification Generation": {
"ai_languageModel": [
[
{
"node": "Generate Completion Notifications ",
"type": "ai_languageModel",
"index": 0
}
]
]
},
"Upload Generated Video to Google Drive": {
"main": [
[
{
"node": "Generate Completion Notifications ",
"type": "main",
"index": 0
}
]
]
},
"Submit Video Generation Request to HeyGen": {
"main": [
[
{
"node": "Wait Before Checking Video Status",
"type": "main",
"index": 0
}
]
]
}
}
}
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About this workflow
This workflow automates the entire process of taking a raw user-submitted script, rewriting it into a polished HeyGen-ready narration, generating a full avatar video, handling all processing checks, retrieving the final MP4, uploading it to Google Drive, and notifying the user…
Source: https://n8n.io/workflows/11829/ — original creator credit. Request a take-down →
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