{
"name": "AI personal trainer",
"nodes": [
{
"parameters": {
"updates": [
"message",
"callback_query"
],
"additionalFields": {}
},
"type": "n8n-nodes-base.telegramTrigger",
"typeVersion": 1.2,
"position": [
-1664,
-32
],
"id": "eaabeb7d-9d04-4a1b-be4f-a9712b9873f7",
"name": "Telegram Trigger",
"webhookId": "b298b544-e21c-4163-aba8-6ee7715d761e",
"credentials": {
"telegramApi": {
"name": "Telegram account"
}
}
},
{
"parameters": {
"promptType": "define",
"text": "={{ $('Telegram Trigger').item.json.message.text }}",
"options": {
"systemMessage": "=Coach deportivo personal. Español, breve y motivador. No inventes datos.\nAtleta: {{ $('Get perfil').item.json.nombre }} | Deporte: {{ $('Get perfil').item.json.deporte }} | Nivel: {{ $('Get perfil').item.json.nivel }}\nObjetivo: {{ $('Get perfil').item.json.objetivo }}\nHorarios: {{ $('Get perfil').item.json.horarios.join(', ') }}\nHoy: {{ $now.toLocaleString() }}\nÚltimas sesiones de pesas: {{ $('Get perfil').item.json.ultimas_sesiones }}\nActividades recientes (Strava): {{ $('Filter strava').item.json.resumen_strava }}"
}
},
"type": "@n8n/n8n-nodes-langchain.agent",
"typeVersion": 3.1,
"position": [
1312,
592
],
"id": "55737693-06ce-4a21-85e0-647f2a1c4c21",
"name": "AI Agent"
},
{
"parameters": {
"model": "llama3.2:3b",
"options": {}
},
"type": "@n8n/n8n-nodes-langchain.lmChatOllama",
"typeVersion": 1,
"position": [
1312,
816
],
"id": "5f8f7303-85fd-4e64-bfef-02daa9aacd70",
"name": "Ollama Chat Model",
"credentials": {
"ollamaApi": {
"name": "Ollama account"
}
}
},
{
"parameters": {
"sessionIdType": "customKey",
"sessionKey": "={{ $('Telegram Trigger').item.json.message.chat.id }}"
},
"type": "@n8n/n8n-nodes-langchain.memoryBufferWindow",
"typeVersion": 1.3,
"position": [
1472,
816
],
"id": "77dcb8f8-e825-4ab2-8335-cf383da2a3ae",
"name": "Simple Memory"
},
{
"parameters": {
"operation": "executeQuery",
"query": "SELECT \n u.nombre, u.deporte, u.nivel, u.objetivo,\n u.sexo, u.edad, u.altura, u.peso, u.forma_fisica, \n u.tiempo_sesion, u.material,\n array_agg(DISTINCT h.dia_semana || ' ' || to_char(h.hora, 'HH24:MI')) as horarios,\n (\n SELECT array_agg(ejercicio)\n FROM ejercicios_excluidos\n WHERE chat_id = u.chat_id\n ) as ejercicios_excluidos,\n (\n SELECT json_agg(e)\n FROM (\n SELECT s.fecha, e.ejercicio, e.peso_kg, e.series, e.repeticiones, e.sensacion\n FROM sesiones s\n JOIN ejercicios_sesion e ON s.id = e.sesion_id\n WHERE s.chat_id = u.chat_id\n ORDER BY s.fecha DESC\n LIMIT 20\n ) e\n ) as ultimas_sesiones\nFROM usuario u\nLEFT JOIN horarios_entreno h ON u.chat_id = h.chat_id\nWHERE u.chat_id = {{ $('Telegram Trigger').item.json.message.chat.id }}\nGROUP BY u.nombre, u.deporte, u.nivel, u.objetivo, u.sexo, u.edad, \n u.altura, u.peso, u.forma_fisica, u.tiempo_sesion, u.material, u.chat_id",
"options": {}
},
"type": "n8n-nodes-base.postgres",
"typeVersion": 2.6,
"position": [
128,
592
],
"id": "13851657-6000-4c84-aa88-9b442193009b",
"name": "Get perfil",
"credentials": {
"postgres": {
"name": "Postgres account"
}
}
},
{
"parameters": {
"operation": "executeQuery",
"query": "INSERT INTO sesiones (chat_id, fecha, tipo)\nVALUES ({{ $('Telegram Trigger').item.json.message.chat.id }}, CURRENT_DATE, 'pesas')\nRETURNING id",
"options": {}
},
"type": "n8n-nodes-base.postgres",
"typeVersion": 2.6,
"position": [
-96,
-32
],
"id": "3da60881-f46b-468c-ace0-8cf1ce4242e9",
"name": "Create session",
"credentials": {
"postgres": {
"name": "Postgres account"
}
}
},
{
"parameters": {
"operation": "executeQuery",
"query": "INSERT INTO estado_sesion (chat_id, activa, sesion_id)\nVALUES ({{ $('Telegram Trigger').item.json.message.chat.id }}, true, {{ $('Create session').item.json.id }})\nON CONFLICT (chat_id) DO UPDATE SET activa = true, sesion_id = {{ $('Create session').item.json.id }}",
"options": {}
},
"type": "n8n-nodes-base.postgres",
"typeVersion": 2.6,
"position": [
2176,
-32
],
"id": "d516f57a-1ef8-4463-bf6f-7cc9b051b287",
"name": "Activate session",
"credentials": {
"postgres": {
"name": "Postgres account"
}
}
},
{
"parameters": {
"chatId": "={{ $('Telegram Trigger').item.json.message.chat.id }}",
"text": "=💪 ¡Vamos ={{ $('Get perfil').item.json.nombre }}! Dime los ejercicios cuando quieras. Formato: ejercicio, peso, series x repeticiones, sensación Ejemplo: press banca, 5kg, 2x12, duro Cuando acabes escribe: fin entreno",
"additionalFields": {
"appendAttribution": false
}
},
"type": "n8n-nodes-base.telegram",
"typeVersion": 1.2,
"position": [
1952,
-32
],
"id": "50183139-ca66-4a23-af78-c85a59a6e4fe",
"name": "Send start training message",
"webhookId": "ad026ff5-b392-40ea-8c51-327f63ac1c52",
"credentials": {
"telegramApi": {
"name": "Telegram account"
}
}
},
{
"parameters": {
"operation": "select",
"schema": {
"__rl": true,
"mode": "list",
"value": "public"
},
"table": {
"__rl": true,
"value": "estado_sesion",
"mode": "list",
"cachedResultName": "estado_sesion"
},
"where": {
"values": [
{
"column": "chat_id",
"value": "={{ $('Telegram Trigger').item.json.message.chat.id }}"
}
]
},
"options": {}
},
"type": "n8n-nodes-base.postgres",
"typeVersion": 2.6,
"position": [
-320,
448
],
"id": "802f1b2f-5bf7-4637-b829-aa652ba3cd4d",
"name": "Check active session",
"alwaysOutputData": true,
"credentials": {
"postgres": {
"name": "Postgres account"
}
}
},
{
"parameters": {
"jsCode": "const texto = $('Telegram Trigger').item.json.message.text;\nconst chatId = $('Telegram Trigger').item.json.message.chat.id;\nconst sesionId = $('Check active session').item.json.sesion_id;\n\nconst partes = texto.split(',').map(p => p.trim());\n\nconst ejercicio = partes[0];\nconst peso = parseFloat(partes[1]);\nconst seriesReps = partes[2].split('x');\nconst series = parseInt(seriesReps[0]);\nconst repeticiones = parseInt(seriesReps[1]);\nconst sensacion = partes[3] || null;\nconst comentarios = partes[4] || null;\nconst excluir = sensacion && sensacion.toLowerCase() === 'duro';\n\nreturn [{\n json: {\n sesion_id: sesionId,\n chat_id: chatId,\n ejercicio,\n peso_kg: peso,\n series,\n repeticiones,\n sensacion,\n comentarios,\n excluir\n }\n}];"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
128,
352
],
"id": "5b9124d8-d47f-4df1-9bfc-5fbe13b6975a",
"name": "Parse exercise"
},
{
"parameters": {
"operation": "executeQuery",
"query": "SELECT e.ejercicio, e.series, e.repeticiones, e.peso_kg, e.sensacion\nFROM ejercicios_sesion e\nJOIN estado_sesion es ON e.sesion_id = es.sesion_id\nWHERE es.chat_id = {{ $('Telegram Trigger').item.json.message.chat.id }}",
"options": {}
},
"type": "n8n-nodes-base.postgres",
"typeVersion": 2.6,
"position": [
-96,
160
],
"id": "976dccf9-c1f3-4e33-8b92-977ea174d273",
"name": "Summary session",
"credentials": {
"postgres": {
"name": "Postgres account"
}
}
},
{
"parameters": {
"operation": "executeQuery",
"query": "UPDATE estado_sesion SET activa = false WHERE chat_id = {{ $('Telegram Trigger').item.json.message.chat.id }}",
"options": {}
},
"type": "n8n-nodes-base.postgres",
"typeVersion": 2.6,
"position": [
128,
160
],
"id": "12cf7ac6-cb42-4b33-958c-583bb7bbc42a",
"name": "Deactive session",
"credentials": {
"postgres": {
"name": "Postgres account"
}
}
},
{
"parameters": {
"operation": "getAll",
"limit": 10
},
"type": "n8n-nodes-base.strava",
"typeVersion": 1.1,
"position": [
352,
592
],
"id": "751879c2-7d11-41b1-afb7-3438951a25cf",
"name": "Get many activities",
"credentials": {
"stravaOAuth2Api": {
"name": "Strava account"
}
}
},
{
"parameters": {
"jsCode": "const actividades = $input.all();\n\nconst resumen = actividades\n .filter(a => a.json.sport_type !== 'WeightTraining')\n .map(a => {\n const fecha = new Date(a.json.start_date).toLocaleDateString('es-ES');\n const distancia = a.json.distance ? (a.json.distance / 1000).toFixed(1) + 'km' : '';\n const duracion = Math.round(a.json.moving_time / 60) + 'min';\n return `${fecha} ${a.json.sport_type} ${distancia} ${duracion}`;\n })\n .join('\\n');\n\nreturn [{ json: { resumen_strava: resumen } }];"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
576,
592
],
"id": "fec1496b-7d24-424a-b5ba-01705d25519c",
"name": "Filter strava"
},
{
"parameters": {
"operation": "getAll",
"limit": 10
},
"type": "n8n-nodes-base.strava",
"typeVersion": 1.1,
"position": [
128,
-32
],
"id": "76aa57f3-6dc9-4800-9807-6aa8cf6262ce",
"name": "Get many activities1",
"credentials": {
"stravaOAuth2Api": {
"name": "Strava account"
}
}
},
{
"parameters": {
"operation": "executeQuery",
"query": "SELECT s.fecha, e.ejercicio, e.peso_kg, e.series, e.repeticiones, e.sensacion\nFROM sesiones s\nJOIN ejercicios_sesion e ON s.id = e.sesion_id\nWHERE s.chat_id = {{ $('Telegram Trigger').item.json.message.chat.id }}\nORDER BY s.fecha DESC\nLIMIT 20",
"options": {}
},
"type": "n8n-nodes-base.postgres",
"typeVersion": 2.6,
"position": [
576,
-32
],
"id": "c833aaf3-be22-4575-b310-119932269cac",
"name": "Execute a SQL query7",
"alwaysOutputData": true,
"credentials": {
"postgres": {
"name": "Postgres account"
}
}
},
{
"parameters": {
"modelId": {
"__rl": true,
"value": "llama3.2:3b",
"mode": "list",
"cachedResultName": "llama3.2:3b"
},
"messages": {
"values": [
{
"content": "=Historial reciente de pesas:\n{{ $('Execute a SQL query7').item.json }}\n\nActividad reciente fuera del gym:\n{{ $('Filter activities').item.json.resumen_strava }}\n\nGenera la sesión de hoy con ejercicios, peso, series y repeticiones."
}
]
},
"options": {
"system": "=Eres un coach personal de pesas. Genera una sesión de entrenamiento para hoy basándote en los datos del atleta. Sé conciso y directo. Responde en español. No uses markdown.\nAtleta: {{ $('Get perfil1').item.json.nombre }} | Sexo: {{ $('Get perfil1').item.json.sexo }} | Edad: {{ $('Get perfil1').item.json.edad }} años | Altura: {{ $('Get perfil1').item.json.altura }}cm | Peso: {{ $('Get perfil1').item.json.peso }}kg\nNivel: {{ $('Get perfil1').item.json.nivel }} | Forma física: {{ $('Get perfil1').item.json.forma_fisica }}\nObjetivo: {{ $('Get perfil1').item.json.objetivo }}\nTiempo disponible: {{ $('Get perfil1').item.json.tiempo_sesion }} minutos\nMaterial disponible: {{ $('Get perfil1').item.json.material }}\nEjercicios a evitar: {{ $('Get perfil1').item.json.ejercicios_excluidos }}"
}
},
"type": "@n8n/n8n-nodes-langchain.ollama",
"typeVersion": 1,
"position": [
1024,
-32
],
"id": "bfbb49a5-5c5b-424f-90ca-aade593a5b70",
"name": "Message a model",
"credentials": {
"ollamaApi": {
"name": "Ollama account"
}
}
},
{
"parameters": {
"jsCode": "const actividades = $input.all();\n\nconst resumen = actividades\n .filter(a => a.json.sport_type !== 'WeightTraining')\n .map(a => {\n const fecha = new Date(a.json.start_date).toLocaleDateString('es-ES');\n const distancia = a.json.distance ? (a.json.distance / 1000).toFixed(1) + 'km' : '';\n const duracion = Math.round(a.json.moving_time / 60) + 'min';\n return `${fecha} ${a.json.sport_type} ${distancia} ${duracion}`;\n })\n .join('\\n');\n\nreturn [{ json: { resumen_strava: resumen } }];"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
352,
-32
],
"id": "fe1dc42b-148a-4016-8519-e57911c4c2ab",
"name": "Filter activities"
},
{
"parameters": {
"operation": "executeQuery",
"query": "SELECT \n u.nombre, u.deporte, u.nivel, u.objetivo,\n u.sexo, u.edad, u.altura, u.peso, u.forma_fisica, \n u.tiempo_sesion, u.material,\n array_agg(DISTINCT h.dia_semana || ' ' || to_char(h.hora, 'HH24:MI')) as horarios,\n (\n SELECT array_agg(ejercicio)\n FROM ejercicios_excluidos\n WHERE chat_id = u.chat_id\n ) as ejercicios_excluidos,\n (\n SELECT json_agg(e)\n FROM (\n SELECT s.fecha, e.ejercicio, e.peso_kg, e.series, e.repeticiones, e.sensacion\n FROM sesiones s\n JOIN ejercicios_sesion e ON s.id = e.sesion_id\n WHERE s.chat_id = u.chat_id\n ORDER BY s.fecha DESC\n LIMIT 20\n ) e\n ) as ultimas_sesiones\nFROM usuario u\nLEFT JOIN horarios_entreno h ON u.chat_id = h.chat_id\nWHERE u.chat_id = {{ $('Telegram Trigger').item.json.message.chat.id }}\nGROUP BY u.nombre, u.deporte, u.nivel, u.objetivo, u.sexo, u.edad, \n u.altura, u.peso, u.forma_fisica, u.tiempo_sesion, u.material, u.chat_id",
"options": {}
},
"type": "n8n-nodes-base.postgres",
"typeVersion": 2.6,
"position": [
800,
-32
],
"id": "372e773c-cf50-4322-9b47-723e26893108",
"name": "Get perfil1",
"credentials": {
"postgres": {
"name": "Postgres account"
}
}
},
{
"parameters": {
"chatId": "={{ $('Telegram Trigger').item.json.message.chat.id }}",
"text": "={{ $json.texto_limpio }}",
"additionalFields": {
"appendAttribution": false,
"parse_mode": "HTML"
}
},
"type": "n8n-nodes-base.telegram",
"typeVersion": 1.2,
"position": [
1728,
-32
],
"id": "607206e6-ae23-4f24-977f-ed1ecc4510b2",
"name": "Send start training message1",
"webhookId": "ad026ff5-b392-40ea-8c51-327f63ac1c52",
"credentials": {
"telegramApi": {
"name": "Telegram account"
}
}
},
{
"parameters": {
"jsCode": "const texto = $input.first().json.content.replace(/\\\\n/g, '\\n')\n .replace(/\\*\\*(.+?)\\*\\*/g, '$1')\n .replace(/\\*(.+?)\\*/g, '$1')\n .replace(/^#{1,6}\\s(.+)$/gm, '$1')\n .replace(/^\\s*\\*\\s/gm, '• ')\n .replace(/\\t/g, ' ');\n\nreturn [{ json: { texto_limpio: texto } }];"
},
"type": "n8n-nodes-base.code",
"typeVersion": 2,
"position": [
1440,
-32
],
"id": "bf49942e-f8fe-4df5-ab34-f91ecedd17a6",
"name": "Sanitize output"
},
{
"parameters": {
"workflowId": {
"__rl": true,
"value": "ONBOARDING_WORKFLOW_ID",
"mode": "id"
},
"workflowInputs": {
"mappingMode": "defineBelow",
"value": {
"message_chat_id": "={{ $('Telegram Trigger').item.json.message.chat.id }}",
"message_text": "={{ $('Telegram Trigger').item.json.message.text }}"
},
"matchingColumns": [
"message_chat_id",
"message_text"
],
"schema": [
{
"id": "message_chat_id",
"displayName": "message_chat_id",
"required": false,
"defaultMatch": false,
"display": true,
"canBeUsedToMatch": true,
"removed": false
},
{
"id": "message_text",
"displayName": "message_text",
"required": false,
"defaultMatch": false,
"display": true,
"canBeUsedToMatch": true,
"removed": false
}
],
"attemptToConvertTypes": false,
"convertFieldsToString": true
},
"options": {}
},
"type": "n8n-nodes-base.executeWorkflow",
"typeVersion": 1.2,
"position": [
-560,
-48
],
"name": "Call Onboarding",
"id": "166f4247-044b-47f0-9a48-393d9a066db0"
},
{
"parameters": {
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 3
},
"conditions": [
{
"id": "353e6447-516a-4a63-98ee-27bc0545ec8e",
"leftValue": "={{ $json.callback_query }}",
"rightValue": "",
"operator": {
"type": "object",
"operation": "notEmpty",
"singleValue": true
}
}
],
"combinator": "and"
},
"options": {}
},
"type": "n8n-nodes-base.if",
"typeVersion": 2.3,
"position": [
-1440,
-32
],
"id": "5f100231-6c21-49c4-90b1-facb0b95eb97",
"name": "Is it a reminder?"
},
{
"parameters": {
"rules": {
"values": [
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 3
},
"conditions": [
{
"leftValue": "={{ $json.callback_query.data }}",
"rightValue": "confirmar_entreno",
"operator": {
"type": "string",
"operation": "equals"
},
"id": "aed2ed89-8af0-4741-97c9-292e6da94c1b"
}
],
"combinator": "and"
}
},
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 3
},
"conditions": [
{
"id": "53d7f3a4-b2f4-4ffa-9911-b6f41c4c2c17",
"leftValue": "={{ $json.callback_query.data }}",
"rightValue": "cambiar_hora",
"operator": {
"type": "string",
"operation": "equals",
"name": "filter.operator.equals"
}
}
],
"combinator": "and"
}
},
{
"conditions": {
"options": {
"caseSensitive": true,
"leftValue": "",
"typeValidation": "strict",
"version": 3
},
"conditions": [
{
"id": "302b5b5a-b8af-4268-b2df-a08488530bb0",
"leftValue": "={{ $json.callback_query.data }}",
"rightValue": "cancelar_entreno",
"operator": {
"type": "string",
"operation": "equals",
"name": "filter.operator.equals"
}
}
],
"combinator": "and"
}
}
]
},
"options": {}
},
"type": "n8n-nodes-base.switch",
"typeVersion": 3.4,
"position": [
-1216,
-240
],
"id": "78512240-6789-44a7-91fe-d9bed7a976b6",
"name": "Switch reminder"
},
{
"parameters": {
"chatId": "={{ $json.callback_query.message.chat.id }}",
"text": "✅ ¡Perfecto! Cuando estés listo escribe: inicio entreno",
"additionalFields": {
"appendAttribution": false
}
},
"type": "n8n-nodes-base.telegram",
"typeVersion": 1.2,
"position": [
-992,
-416
],
"id": "a1f030b0-4489-4f41-b51e-bc19d796ade8",
"name": "Send confirm entreno",
"webhookId": "5c98c6f4-4f9c-42fc-95cb-b7ca5ab56cbc",
"credentials": {
"telegramApi": {
"name": "Telegram account"
}
}
},
{
"parameters": {
"chatId": "={{ $json.callback_query.message.chat.id }}",
"text": "=⏰ ¿A qué hora quieres entrenar hoy?\nEscríbelo así: 20:00",
"additionalFields": {
"appendAttribution": false
}
},
"type": "n8n-nodes-base.telegram",
"typeVersion": 1.2,
"position": [
-992,
-224
],
"id": "66f4a892-cdf9-4028-9899-ef9b76baa2ba",
"name": "Send reschedule entreno",
"webhookId": "d53955ce-a7ba-46dc-b1dc-acb3eaa87f65",
"credentials": {
"telegramApi": {
"name": "Telegram account"
}
}
},
{
"parameters": {
"chatId": "={{ $json.callback_query.message.chat.id }}",
"text": "❌ Entendido, hoy descansas. ¡Hasta mañana! 💪",
"additionalFields": {
"appendAttribution": false
}
},
"type": "n8n-nodes-base.telegram",
"typeVersion": 1.2,
"position": [
-992,
-32
],
"id": "3b337724-e70d-4fe6-a8df-c99596d84c32",
"name": "Send cancel entreno",
"webhookId": "a0203b07-6d47-4222-b518-f0dad1ca64cb",
"credentials": {
"telegramApi": {
"name": "Telegram account"
}
}
},
{
"parameters": {
"assignments": {
"assignments": [
{
"id": "cb019f2a-4e04-43c1-b2f9-22d70101e9cb",
"name": "sessionId",
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{
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},
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"value": "={{ $('Telegram Trigger').item.json.message.chat.id }}"
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},
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},
{
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"conditions": [
{
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},
{
"parameters": {
"operation": "executeQuery",
"query": "INSERT INTO ejercicios_sesion (sesion_id, ejercicio, series, repeticiones, peso_kg, sensacion)\nVALUES (\n {{ $json.sesion_id }},\n '{{ $json.ejercicio }}',\n {{ $json.series }},\n {{ $json.repeticiones }},\n {{ $json.peso_kg }},\n '{{ $json.sensacion }}'\n)",
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{
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],
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},
{
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"query": "INSERT INTO ejercicios_excluidos (chat_id, ejercicio, motivo)\nVALUES (\n {{ $('Parse exercise').item.json.chat_id }},\n '{{ $('Parse exercise').item.json.ejercicio }}',\n 'sensacion duro'\n)",
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},
{
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"chatId": "={{ $('Telegram Trigger').item.json.message.chat.id }}",
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"additionalFields": {
"appendAttribution": false
}
},
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],
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}
}
},
{
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{
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{
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"chatId": "={{ $('Is a new user?').item.json.chat_id }}"
},
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],
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}
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},
{
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"chatId": "={{ $('Telegram Trigger').item.json.message.chat.id }}",
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}
},
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],
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},
{
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"text": "🏁 ¡Entreno completado ={{ $('Get perfil').item.json.nombre }}! ¡Buen trabajo! 💪\n\nLos datos han quedado guardados. ¡A recuperar!",
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},
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],
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}
}
}
],
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"connections": {
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{
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"type": "main",
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}
]
]
},
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{
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}
]
]
},
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{
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}
]
]
},
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}
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},
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}
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},
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]
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},
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},
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"type": "main",
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}
]
]
},
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"type": "main",
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}
]
]
},
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"type": "main",
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}
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]
},
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]
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},
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}
]
]
},
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"type": "main",
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}
]
]
},
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]
]
},
"Execute a SQL query7": {
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"type": "main",
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}
]
]
},
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},
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}
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},
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}
],
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}
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]
},
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}
],
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[
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},
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]
},
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}
]
]
},
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[
{
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}
],
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}
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},
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],
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},
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}
],
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}
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]
},
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},
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},
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},
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],
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}
},
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"settings": {
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"binaryMode": "separate"
},
"meta": {
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},
"tags": []
}