This workflow follows the Emailsend → Google Drive recipe pattern — see all workflows that pair these two integrations.
The workflow JSON
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{
"name": "FlowV4",
"nodes": [
{
"parameters": {
"httpMethod": "POST",
"path": "solicitud-convalidacion",
"authentication": "basicAuth",
"options": {
"responseHeaders": {
"entries": [
{
"name": "Content-Type",
"value": "application/json"
}
]
}
}
},
"name": "Webhook - Recepci\u00f3n",
"type": "n8n-nodes-base.webhook",
"typeVersion": 1,
"position": [
-944,
128
],
"id": "1286efb7-c8d9-4703-9b5a-c6df095401d7"
},
{
"parameters": {
"functionCode": "// Validaci\u00f3n de campos requeridos\nconst requiredFields = ['nombre', 'carrera', 'materias', 'documentos'];\nconst errors = [];\n\nfor (const field of requiredFields) {\n if (!$input.item.json[field]) {\n errors.push(`Campo requerido: ${field}`);\n }\n}\n\nif (errors.length > 0) {\n return {\n json: {\n success: false,\n errors: errors\n }\n };\n}\n\nreturn {\n json: {\n ...$input.item.json,\n documentosCompletos: true,\n fechaSolicitud: new Date().toISOString()\n }\n};"
},
"name": "Function - Validar",
"type": "n8n-nodes-base.function",
"typeVersion": 1,
"position": [
-752,
128
],
"id": "eb636c4c-9c8d-41cf-8372-34c71ebb3722"
},
{
"parameters": {
"conditions": {
"boolean": [
{
"value1": "={{$json.documentosCompletos}}",
"value2": true
}
]
}
},
"name": "IF - Documentaci\u00f3n",
"type": "n8n-nodes-base.if",
"typeVersion": 1,
"position": [
-256,
128
],
"id": "9fda1b9e-e2b8-4a13-b03b-e94f4f2bfeb7"
},
{
"parameters": {
"functionCode": "// Comprueba que todos los archivos tengan extensi\u00f3n .pdf (case-insensitive)\nconst docs = $input.item.json.documentos || [];\nconst badFiles = [];\nfor (const d of docs) {\n const fn = d.fileName || d.name || (d.url ? d.url.split('/').pop() : '');\n if (!fn) continue;\n if (!fn.toLowerCase().endsWith('.pdf')) {\n badFiles.push(fn);\n }\n}\nreturn { json: { ...$input.item.json, pdfsOk: badFiles.length === 0, badFiles } };"
},
"name": "Function - Check PDFs",
"type": "n8n-nodes-base.function",
"typeVersion": 1,
"position": [
-112,
-80
],
"id": "a472d92e-b195-4ee2-aa66-c1c5c8b45b85"
},
{
"parameters": {
"functionCode": "// Registra el estado tras la validaci\u00f3n\nconst status = $json.success === false ? 'Validaci\u00f3n fallida' : 'Validado';\nconst details = $json.success === false ? ($json.errors || []).join('; ') : '';\nreturn { json: { ...$json, status, details, statusTimestamp: new Date().toISOString() } };"
},
"name": "Function - Status: Validaci\u00f3n",
"type": "n8n-nodes-base.function",
"typeVersion": 1,
"position": [
-592,
128
],
"id": "746c672b-54a5-4eb1-9490-d82f0db86529"
},
{
"parameters": {
"functionCode": "// Registra el resultado de la comprobacion de PDFs\nconst status = $json.pdfsOk ? 'PDFs OK' : 'PDFs inv\u00e1lidos';\nconst details = ($json.badFiles || []).join(', ');\nreturn { json: { ...$json, status, details, statusTimestamp: new Date().toISOString() } };"
},
"name": "Function - Status: PDF Check",
"type": "n8n-nodes-base.function",
"typeVersion": 1,
"position": [
48,
-80
],
"id": "cc30812b-4cb5-4db3-ba58-b87e514be603"
},
{
"parameters": {
"functionCode": "// Estado: documentos almacenados\nreturn { json: { ...$input.item.json, status: 'Documentos almacenados', details: '', statusTimestamp: new Date().toISOString() } };"
},
"name": "Function - Status: Stored",
"type": "n8n-nodes-base.function",
"typeVersion": 1,
"position": [
720,
-416
],
"id": "c08f7086-b41a-4b85-8ca6-681c5dc9ec22"
},
{
"parameters": {
"functionCode": "// Estado: registro creado\nreturn { json: { ...$input.item.json, status: 'Registro creado', details: '', statusTimestamp: new Date().toISOString() } };"
},
"name": "Function - Status: Registered",
"type": "n8n-nodes-base.function",
"typeVersion": 1,
"position": [
720,
-256
],
"id": "bb7b08f0-8c95-4036-9141-49f40cf6d640"
},
{
"parameters": {
"functionCode": "// Estado: acta generada\nreturn { json: { ...$input.item.json, status: 'Acta generada', details: '', statusTimestamp: new Date().toISOString() } };"
},
"name": "Function - Status: Acta Generada",
"type": "n8n-nodes-base.function",
"typeVersion": 1,
"position": [
2512,
-240
],
"id": "3d92f45d-6b62-49fa-bd03-e8d2308c3e3f"
},
{
"parameters": {
"operation": "append",
"options": {}
},
"name": "DB - Log",
"type": "n8n-nodes-base.googleSheets",
"typeVersion": 1,
"position": [
1072,
-304
],
"id": "781d8955-64ef-402d-a995-995cf866187c"
},
{
"parameters": {
"operation": "append",
"options": {}
},
"name": "DB - Log - Validaci\u00f3n",
"type": "n8n-nodes-base.googleSheets",
"typeVersion": 1,
"position": [
-432,
128
],
"id": "c480638f-565e-416e-bbf9-db5406c4e623"
},
{
"parameters": {
"operation": "append",
"options": {}
},
"name": "DB - Log - PDFCheck",
"type": "n8n-nodes-base.googleSheets",
"typeVersion": 1,
"position": [
320,
-80
],
"id": "90850cee-233c-4b3f-a3e5-9d8cbddfac33"
},
{
"parameters": {
"fromEmail": "sistema@ejemplo.com",
"toEmail": "={{$json.estudianteEmail}}",
"subject": "Archivo no v\u00e1lido",
"text": "Estimado alumno, el archivo enviado no es del formato adecuado .PDF",
"options": {}
},
"name": "Email - Not PDF",
"type": "n8n-nodes-base.emailSend",
"typeVersion": 1,
"position": [
800,
-64
],
"id": "e5d3bfc5-5db7-4584-97f9-ff23e6c71705"
},
{
"parameters": {
"options": {}
},
"name": "Storage - Documentos",
"type": "n8n-nodes-base.googleDrive",
"typeVersion": 1,
"position": [
1328,
-112
],
"id": "5944c218-2a5e-40fc-87ae-86ee9a7c76ee"
},
{
"parameters": {
"operation": "append",
"options": {}
},
"name": "DB - Registro",
"type": "n8n-nodes-base.googleSheets",
"typeVersion": 1,
"position": [
1328,
-304
],
"id": "ec092456-e8a1-49ef-a791-bedc91cd7eef"
},
{
"parameters": {
"fromEmail": "sistema@ejemplo.com",
"toEmail": "={{$json.directorEmail}}",
"subject": "Nueva Solicitud de Convalidaci\u00f3n",
"text": "=Plantilla de correo con datos",
"options": {}
},
"name": "Email - Director",
"type": "n8n-nodes-base.emailSend",
"typeVersion": 1,
"position": [
1616,
-304
],
"id": "01663451-8bd0-4914-a413-91d959554aa0"
},
{
"parameters": {
"path": "decision-director",
"options": {}
},
"name": "Webhook - Decisi\u00f3n",
"type": "n8n-nodes-base.webhook",
"typeVersion": 1,
"position": [
1680,
-32
],
"id": "77a12397-76af-4191-a68a-e5de1fd8c5a6"
},
{
"parameters": {
"functionCode": "// Procesar decisi\u00f3n del director\n// Se espera que la llamada al webhook incluya query params: decision y id\nconst decision = $input.item.json.query && $input.item.json.query.decision ? $input.item.json.query.decision : ($input.item.json.decision || null);\nconst solicitudId = $input.item.json.query && $input.item.json.query.id ? $input.item.json.query.id : ($input.item.json.solicitudId || null);\n\nreturn [{\n json: {\n decision,\n solicitudId,\n timestamp: new Date().toISOString(),\n ...$input.item.json\n }\n}];"
},
"name": "Function - Procesar Decisi\u00f3n",
"type": "n8n-nodes-base.function",
"typeVersion": 1,
"position": [
1856,
-32
],
"id": "5b24c14a-c7e2-4691-a1df-559e8637f1a2"
},
{
"parameters": {},
"name": "Switch - Decision",
"type": "n8n-nodes-base.switch",
"typeVersion": 1,
"position": [
2016,
-64
],
"id": "3c3d2ef1-1024-44da-b06f-db01808f348d"
},
{
"parameters": {
"operation": "append",
"options": {}
},
"name": "Sheets - Update Aceptada",
"type": "n8n-nodes-base.googleSheets",
"typeVersion": 1,
"position": [
2128,
-240
],
"id": "e602b6ee-fea6-4a74-bd54-b486413321a3"
},
{
"parameters": {
"operation": "append",
"options": {}
},
"name": "Sheets - Update Rechazada",
"type": "n8n-nodes-base.googleSheets",
"typeVersion": 1,
"position": [
2304,
-48
],
"id": "782e0998-c3ed-4036-8aaa-ee79301938d9"
},
{
"parameters": {
"operation": "append",
"options": {}
},
"name": "Sheets - Update Revision",
"type": "n8n-nodes-base.googleSheets",
"typeVersion": 1,
"position": [
2320,
176
],
"id": "e94f12c5-8712-4a22-9c15-d9661a35897c"
},
{
"parameters": {
"fromEmail": "sistema@ejemplo.com",
"toEmail": "={{$json.estudianteEmail}}",
"subject": "Solicitud Aceptada - Convalidaci\u00f3n",
"text": "Estimado/a {{$json.nombre}},\n\nSu solicitud ha sido ACEPTADA. Se adjunta el acta de convalidaci\u00f3n.",
"options": {}
},
"name": "Email - Estudiante Aceptada",
"type": "n8n-nodes-base.emailSend",
"typeVersion": 1,
"position": [
2720,
-240
],
"id": "33c16811-9db7-4fbb-8ab4-9d131c62c633"
},
{
"parameters": {
"fromEmail": "sistema@ejemplo.com",
"toEmail": "={{$json.estudianteEmail}}",
"subject": "Solicitud Rechazada - Convalidaci\u00f3n",
"text": "Estimado/a {{$json.nombre}},\n\nSu solicitud ha sido RECHAZADA. Consulte las observaciones.",
"options": {}
},
"name": "Email - Estudiante Rechazada",
"type": "n8n-nodes-base.emailSend",
"typeVersion": 1,
"position": [
2528,
-48
],
"id": "1aff97c0-4c8e-46a9-aa04-e8f429f21f9d"
},
{
"parameters": {
"fromEmail": "sistema@ejemplo.com",
"toEmail": "comite@universidad.edu",
"subject": "Solicitud para Revisi\u00f3n Adicional",
"text": "Se solicita revisi\u00f3n adicional para la solicitud ID: {{$json.solicitudId}}",
"options": {}
},
"name": "Email - Comit\u00e9 Revision",
"type": "n8n-nodes-base.emailSend",
"typeVersion": 1,
"position": [
2528,
176
],
"id": "142cf051-3ab1-4eb1-9b41-935dac2c9fee"
},
{
"parameters": {
"options": {}
},
"name": "PDF - Generar Acta",
"type": "n8n-nodes-base.httpRequest",
"typeVersion": 1,
"position": [
2320,
-240
],
"id": "87f00c85-00a8-43b3-aa2d-e93b73077468"
},
{
"parameters": {
"fromEmail": "sistema@ejemplo.com",
"toEmail": "={{$json.estudianteEmail}}",
"subject": "Solicitud en revisi\u00f3n - Convalidaci\u00f3n",
"text": "Estimado/a {{$json.nombre}},\n\nSu solicitud ha pasado a revisi\u00f3n adicional. Le notificaremos cuando haya una resoluci\u00f3n.",
"options": {}
},
"name": "Email - Estudiante Revision",
"type": "n8n-nodes-base.emailSend",
"typeVersion": 1,
"position": [
2736,
176
],
"id": "752ed119-5bf9-4c21-b7ca-0b0dfe2fd19b"
},
{
"parameters": {
"operation": "append",
"options": {}
},
"name": "DB - Hist\u00f3rico",
"type": "n8n-nodes-base.googleSheets",
"typeVersion": 1,
"position": [
2912,
-48
],
"id": "79bf4409-6e58-4d1c-8cd2-11a092e2b321"
},
{
"parameters": {
"conditions": {
"boolean": [
{
"value1": "={{$json.pdfsOk}}",
"value2": true
}
]
}
},
"name": "IF - PDFs OK?",
"type": "n8n-nodes-base.if",
"typeVersion": 1,
"position": [
608,
-80
],
"id": "6784980e-325e-4e07-927f-211209e68132"
},
{
"parameters": {
"errorMessage": "El archivo no es .PDF"
},
"type": "n8n-nodes-base.stopAndError",
"typeVersion": 1,
"position": [
992,
-64
],
"id": "a64c58cb-5f5f-4089-bae2-5e494e89ce4b",
"name": "Stop and Error"
},
{
"parameters": {
"errorMessage": "El documento no es valido"
},
"type": "n8n-nodes-base.stopAndError",
"typeVersion": 1,
"position": [
-32,
144
],
"id": "fb4130a3-6f14-4d99-be50-5bf466ac486d",
"name": "Stop and Error1"
}
],
"connections": {
"Webhook - Recepci\u00f3n": {
"main": [
[
{
"node": "Function - Validar",
"type": "main",
"index": 0
}
]
]
},
"Function - Validar": {
"main": [
[
{
"node": "Function - Status: Validaci\u00f3n",
"type": "main",
"index": 0
}
]
]
},
"Function - Status: Validaci\u00f3n": {
"main": [
[
{
"node": "DB - Log - Validaci\u00f3n",
"type": "main",
"index": 0
}
]
]
},
"DB - Log - Validaci\u00f3n": {
"main": [
[
{
"node": "IF - Documentaci\u00f3n",
"type": "main",
"index": 0
}
]
]
},
"IF - Documentaci\u00f3n": {
"main": [
[
{
"node": "Function - Check PDFs",
"type": "main",
"index": 0
}
],
[
{
"node": "Stop and Error1",
"type": "main",
"index": 0
}
]
]
},
"Function - Check PDFs": {
"main": [
[
{
"node": "Function - Status: PDF Check",
"type": "main",
"index": 0
}
]
]
},
"Function - Status: PDF Check": {
"main": [
[
{
"node": "DB - Log - PDFCheck",
"type": "main",
"index": 0
}
]
]
},
"DB - Log - PDFCheck": {
"main": [
[
{
"node": "IF - PDFs OK?",
"type": "main",
"index": 0
}
]
]
},
"Function - Status: Stored": {
"main": [
[
{
"node": "DB - Log",
"type": "main",
"index": 0
}
]
]
},
"Function - Status: Registered": {
"main": [
[
{
"node": "DB - Log",
"type": "main",
"index": 0
}
]
]
},
"DB - Log": {
"main": [
[
{
"node": "Storage - Documentos",
"type": "main",
"index": 0
},
{
"node": "DB - Registro",
"type": "main",
"index": 0
}
]
]
},
"Storage - Documentos": {
"main": [
[
{
"node": "Email - Director",
"type": "main",
"index": 0
}
]
]
},
"DB - Registro": {
"main": [
[
{
"node": "Email - Director",
"type": "main",
"index": 0
}
]
]
},
"Webhook - Decisi\u00f3n": {
"main": [
[
{
"node": "Function - Procesar Decisi\u00f3n",
"type": "main",
"index": 0
}
]
]
},
"Function - Procesar Decisi\u00f3n": {
"main": [
[
{
"node": "Switch - Decision",
"type": "main",
"index": 0
}
]
]
},
"Switch - Decision": {
"main": [
[
{
"node": "Sheets - Update Aceptada",
"type": "main",
"index": 0
}
],
[
{
"node": "Sheets - Update Rechazada",
"type": "main",
"index": 0
}
],
[
{
"node": "Sheets - Update Revision",
"type": "main",
"index": 0
}
]
]
},
"Sheets - Update Aceptada": {
"main": [
[
{
"node": "PDF - Generar Acta",
"type": "main",
"index": 0
}
]
]
},
"PDF - Generar Acta": {
"main": [
[
{
"node": "Function - Status: Acta Generada",
"type": "main",
"index": 0
}
]
]
},
"Function - Status: Acta Generada": {
"main": [
[
{
"node": "Email - Estudiante Aceptada",
"type": "main",
"index": 0
}
]
]
},
"Email - Estudiante Aceptada": {
"main": [
[
{
"node": "DB - Hist\u00f3rico",
"type": "main",
"index": 0
}
]
]
},
"Sheets - Update Rechazada": {
"main": [
[
{
"node": "Email - Estudiante Rechazada",
"type": "main",
"index": 0
}
]
]
},
"Email - Estudiante Rechazada": {
"main": [
[
{
"node": "DB - Hist\u00f3rico",
"type": "main",
"index": 0
}
]
]
},
"Sheets - Update Revision": {
"main": [
[
{
"node": "Email - Comit\u00e9 Revision",
"type": "main",
"index": 0
}
]
]
},
"Email - Comit\u00e9 Revision": {
"main": [
[
{
"node": "Email - Estudiante Revision",
"type": "main",
"index": 0
}
]
]
},
"Email - Estudiante Revision": {
"main": [
[
{
"node": "DB - Hist\u00f3rico",
"type": "main",
"index": 0
}
]
]
},
"IF - PDFs OK?": {
"main": [
[
{
"node": "Function - Status: Registered",
"type": "main",
"index": 0
},
{
"node": "Function - Status: Stored",
"type": "main",
"index": 0
}
],
[
{
"node": "Email - Not PDF",
"type": "main",
"index": 0
}
]
]
},
"Email - Not PDF": {
"main": [
[
{
"node": "Stop and Error",
"type": "main",
"index": 0
}
]
]
}
},
"active": false,
"settings": {
"executionOrder": "v1"
},
"versionId": "ba9a32ed-4518-41b4-bef6-298d18683c26",
"id": "CHebM2XL0P74nNEl",
"tags": []
}
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About this workflow
FlowV4. Uses googleSheets, emailSend, googleDrive, httpRequest. Webhook trigger; 31 nodes.
Source: https://github.com/FelipeNVR/Proyecto-n8n-main/blob/14560b61d5bf600175b94523e570e877d0100d96/Proyecto-n8n-main/n8n/FlowV4.json — original creator credit. Request a take-down →
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