{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/ReserveTimeSlotRequest", "title": "ReserveTimeSlotRequest", "type": "object", "required": [ "service_option_id" ], "properties": { "service_option_id": { "type": "string", "description": "The identifier of the service option time slot to reserve." }, "cart": { "type": "object", "description": "The customer's cart details to associate with the reservation.", "properties": { "items": { "type": "array", "description": "The items in the customer's cart.", "items": { "$ref": "#/components/schemas/CartItem" } } } } } }