Metadata query index

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/MetadataQueryIndex",
  "title": "Metadata query index",
  "type": "object",
  "x-box-resource-id": "metadata_query_index",
  "x-box-tag": "search",
  "description": "A metadata query index",
  "required": [
    "type",
    "status"
  ],
  "properties": {
    "id": {
      "type": "string",
      "example": "-9876",
      "description": "The ID of the metadata query index."
    },
    "type": {
      "type": "string",
      "description": "Value is always `metadata_query_index`",
      "example": "metadata_query_index",
      "nullable": false
    },
    "status": {
      "type": "string",
      "description": "The status of the metadata query index",
      "example": "active",
      "enum": [
        "building",
        "active",
        "disabled"
      ],
      "nullable": false
    },
    "fields": {
      "type": "array",
      "description": "A list of template fields which make up the index.",
      "items": {
        "type": "object",
        "description": "The field which makes up the index.",
        "allOf": [
          {
            "properties": {
              "key": {
                "type": "string",
                "example": "vendor name",
                "description": "The metadata template field key."
              },
              "sort_direction": {
                "type": "string",
                "example": "asc",
                "description": "The sort direction of the field.",
                "enum": [
                  "asc",
                  "desc"
                ]
              }
            }
          }
        ]
      }
    }
  }
}