{ "name": "sendHtml", "nodes": [ { "parameters": {}, "id": "test-trigger-node-id", "name": "When clicking 'Execute workflow'", "type": "n8n-nodes-base.manualTrigger", "typeVersion": 1, "position": [0, 0] }, { "parameters": { "operation": "sendHtml", "fromEmail": "sender@example.com", "toEmail": "recipient@example.com", "options": { "html": "