Metadata field filter (string)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/MetadataFieldFilterString",
  "title": "Metadata field filter (string)",
  "type": "object",
  "x-box-resource-id": "metadata_field_filter_string",
  "description": "Specifies which text field on the template to filter the search\nresults by.",
  "example": {
    "category": "online"
  },
  "additionalProperties": {
    "type": "string",
    "description": "A mapping between a metadata `string` field key and\nthe value to match search results on.",
    "example": "online",
    "x-box-example-key": "category"
  }
}