{
    "$schema": "http://json-schema.org/draft-04/schema#",
    "title": "Activities",
    "description": "A list of squash training activities.",
    "type": "array",
    "items": {
        "type": "object",
        "properties": {
            "id": {
                "description": "Unique identifier for the activity.",
                "type": "string"
            },
            "name": {
                "description": "Name of the activity.",
                "type": "string"
            },
            "shortDescription": {
                "description": "Brief description of the activity.",
                "type": "string"
            },
            "description": {
                "description": "Full description of the activity.",
                "type": "string"
            }
        },
        "required": [
            "id",
            "name",
            "shortDescription",
            "description"
        ]
    }
}