{
  "nodes": [
    {
      "id": "t1",
      "name": "Form Submission Webhook",
      "type": "n8n-nodes-base.webhook",
      "typeVersion": 1,
      "position": [
        100,
        200
      ],
      "parameters": {
        "path": "contact-form",
        "httpMethod": "POST"
      }
    },
    {
      "id": "n2",
      "name": "Is Email filled?",
      "type": "n8n-nodes-base.if",
      "typeVersion": 1,
      "position": [
        300,
        200
      ],
      "parameters": {}
    },
    {
      "id": "n3",
      "name": "Gmail send form details",
      "type": "n8n-nodes-base.gmail",
      "typeVersion": 1,
      "position": [
        500,
        150
      ],
      "parameters": {
        "to": "sales@example.com"
      }
    },
    {
      "id": "n4",
      "name": "Form respond OK",
      "type": "n8n-nodes-base.respondToWebhook",
      "typeVersion": 1,
      "position": [
        700,
        200
      ],
      "parameters": {
        "responseCode": 200
      }
    }
  ],
  "connections": {
    "Form Submission Webhook": {
      "main": [
        [
          {
            "node": "Is Email filled?",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Is Email filled?": {
      "main": [
        [
          {
            "node": "Gmail send form details",
            "type": "main",
            "index": 0
          }
        ],
        [
          {
            "node": "Form respond OK",
            "type": "main",
            "index": 0
          }
        ]
      ]
    },
    "Gmail send form details": {
      "main": [
        [
          {
            "node": "Form respond OK",
            "type": "main",
            "index": 0
          }
        ]
      ]
    }
  }
}