{
  "_comment": "Template for defining event schemas in JSON format",
  "schema_version": "1.0",
  "event_name": "user.created",
  "description": "Event triggered when a new user is created.",
  "source": "user-service",
  "timestamp": "2024-10-27T10:00:00Z",
  "payload": {
    "_comment": "Data associated with the user.created event",
    "user_id": {
      "type": "string",
      "format": "uuid",
      "description": "Unique identifier for the user"
    },
    "username": {
      "type": "string",
      "minLength": 3,
      "maxLength": 50,
      "description": "Username of the new user"
    },
    "email": {
      "type": "string",
      "format": "email",
      "description": "Email address of the new user"
    },
    "created_at": {
      "type": "string",
      "format": "date-time",
      "description": "Timestamp of when the user was created"
    },
    "profile": {
      "type": "object",
      "description": "User profile information",
      "properties": {
        "first_name": {
          "type": "string",
          "description": "First name of the user"
        },
        "last_name": {
          "type": "string",
          "description": "Last name of the user"
        }
      },
      "required": [
        "first_name",
        "last_name"
      ]
    }
  },
  "required": [
    "user_id",
    "username",
    "email",
    "created_at"
  ],
  "examples": [
    {
      "_comment": "Example of a user.created event",
      "user_id": "a1b2c3d4-e5f6-7890-1234-567890abcdef",
      "username": "newuser123",
      "email": "newuser@example.com",
      "created_at": "2024-10-27T10:00:00Z",
      "profile": {
        "first_name": "John",
        "last_name": "Doe"
      }
    }
  ]
}