My_workflow.json

{
  "name": "My workflow",
  "nodes": [
    {
      "parameters": {},
      "id": "6da3e64d-1628-4674-afe4-ba77cbeed632",
      "name": "Start",
      "type": "n8n-nodes-base.start",
      "typeVersion": 1,
      "position": [
        240,
        300
      ]
    },
    {
      "parameters": {
        "values": {
          "string": [
            {
              "value": "a"
            }
          ]
        },
        "options": {}
      },
      "id": "96c7b5d6-59b8-4b02-89c9-5bca91ac141a",
      "name": "Set",
      "type": "n8n-nodes-base.set",
      "typeVersion": 1,
      "position": [
        460,
        300
      ]
    }
  ],
  "pinData": {},
  "connections": {
    "Start": {
      "main": [
        [
          {
            "node": "Set",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  },
  "active": false,
  "settings": {
    "saveExecutionProgress": "DEFAULT",
    "saveManualExecutions": true
  },
  "id": 1,
  "meta": {
    "instanceId": "b3169568848cec0cb7b05af18444764d6f5417b176faeb9ac60e350b462eaaf7"
  },
  "tags": []
}