Sub-Workflows

{
  workflowTemplateId: 'text-processor',
  workflowId: 'text-processor',
  workflowName: 'Text Processor',
  integrationUids: [],
  triggers: [
    {
      triggerId: crypto.randomUUID(),
      type: 'subworkflow' as const,
      title: 'Process Text',
      description: 'Called by parent to process text chunks',
      inputSchema: [
        { key: 'text', type: 'string' },
        { key: 'maxLength', type: 'number' },
        { key: 'executionId', type: 'string' },
        { key: 'executionSecret', type: 'string' },
      ],
      calledBy: ['main-workflow'],
    } satisfies SubworkflowTrigger,
  ],
  outputSchema: [],
  n8nWorkflowJsonBase64: loadAndEncodeWorkflow(__dirname, 'workflows/text-processor.json'),
  cost: 0,
}

{
  "type": "n8n-nodes-base.executeWorkflowTrigger",
  "typeVersion": 1.1,
  "position": [200, 300],
  "id": "trigger-1",
  "name": "When Called by Parent",
  "parameters": {
    "workflowInputs": {
      "values": [
        { "name": "text", "type": "string" },
        { "name": "maxLength", "type": "number" },
        { "name": "executionId", "type": "string" },
        { "name": "executionSecret", "type": "string" }
      ]
    }
  }
}

// In a Code node inside the sub-workflow
const text = $('When Called by Parent').first().json.text;
const maxLength = $('When Called by Parent').first().json.maxLength;

{
  "type": "n8n-nodes-base.executeWorkflow",
  "typeVersion": 1.3,
  "position": [800, 300],
  "id": "exec-1",
  "name": "Call Text Processor",
  "parameters": {
    "workflowId": {
      "__rl": true,
      "mode": "id",
      "value": "{{SUBWKFL_text-processor_LFKWBUS}}"
    },
    "workflowInputs": {
      "mappingMode": "defineBelow",
      "value": {
        "text": "={{ $json.input_text }}",
        "maxLength": 500,
        "executionId": "={{ $('Codika Init').first().json.executionId }}",
        "executionSecret": "={{ $('Codika Init').first().json.executionSecret }}"
      }
    },
    "options": {
      "waitForSubWorkflow": true
    }
  }
}

"workflowInputs": {
  "value": {
    "data": "={{ $json.data }}",
    "executionId": "={{ $('Codika Init').first().json.executionId }}",
    "executionSecret": "={{ $('Codika Init').first().json.executionSecret }}"
  }
}

{
  "type": "n8n-nodes-codika.codika",
  "parameters": {
    "resource": "fileManagement",
    "operation": "uploadFile",
    "executionIdOverride": "={{ $('When Called by Parent').first().json.executionId }}",
    "executionSecretOverride": "={{ $('When Called by Parent').first().json.executionSecret }}"
  }
}

{{SUBWKFL_<workflowTemplateId>_LFKWBUS}}