{
  "sections": [
    "title",
    "description",
    "fields"
  ],
  "title": "CallOptions - Metadata API",
  "description": "Specifies the API client identifier.",
  "fields_columns": [
    "description"
  ],
  "fields": {
    "client": {
      "description": "A value that identifies an API client."
    }
  }
}