{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://offeringprotocol.org/schemas/sort-definition.schema.json",
  "title": "ODP Sort Definition",
  "type": "object",
  "required": [
    "id",
    "title",
    "description",
    "keys"
  ],
  "properties": {
    "id": {
      "$ref": "capability-identifier.schema.json"
    },
    "title": {
      "type": "string",
      "minLength": 1,
      "maxLength": 128
    },
    "description": {
      "type": "string",
      "minLength": 1,
      "maxLength": 1024
    },
    "keys": {
      "type": "array",
      "minItems": 1,
      "maxItems": 3,
      "items": {
        "$ref": "sort-key.schema.json"
      }
    }
  }
}