{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://offeringprotocol.org/schemas/filter-expression.schema.json",
  "title": "ODP Filter Expression",
  "type": "object",
  "required": [
    "id",
    "operator",
    "value"
  ],
  "properties": {
    "id": {
      "$ref": "capability-identifier.schema.json"
    },
    "operator": {
      "$ref": "filter-operator.schema.json"
    },
    "value": {
      "oneOf": [
        {
          "type": [
            "string",
            "boolean",
            "integer",
            "number"
          ]
        },
        {
          "type": "array",
          "minItems": 1,
          "maxItems": 100,
          "uniqueItems": true,
          "items": {
            "type": [
              "string",
              "boolean",
              "integer",
              "number"
            ]
          }
        }
      ]
    }
  }
}