{
  "type": "json_schema",
  "name": "event_extraction",
  "schema": {
    "type": "object",
    "properties": {
      "event_name": {
        "type": "string",
        "description": "The name of the event"
      },
      "date": {
        "type": "string",
        "description": "When the event takes place"
      },
      "location": {
        "type": "string",
        "description": "Where the event takes place"
      },
      "participants": {
        "type": "array",
        "items": {
          "type": "string"
        },
        "description": "People attending the event"
      },
      "description": {
        "type": "string",
        "description": "Brief description of the event"
      }
    },
    "required": ["event_name", "date", "location", "participants", "description"],
    "additionalProperties": false
  }
}