queryRecord method Null safety

Future<QueryResponse> queryRecord(
  1. QueryRequest request,
  2. {String? $fields}

Queries the Chrome User Experience for a single record for a given site.

Returns a record that contains one or more metrics corresponding to performance data about the requested site.

request - The metadata request object.

Request parameters:

$fields - Selector specifying which fields to include in a partial response.

Completes with a QueryResponse.

Completes with a commons.ApiRequestError if the API endpoint returned an error.

If the used http.Client completes with an error when making a REST call, this method will complete with the same error.


async.Future<QueryResponse> queryRecord(
  QueryRequest request, {
  core.String? $fields,
}) async {
  final _body = convert.json.encode(request);
  final _queryParams = <core.String, core.List<core.String>>{
    if ($fields != null) 'fields': [$fields],

  const _url = 'v1/records:queryRecord';

  final _response = await _requester.request(
    body: _body,
    queryParams: _queryParams,
  return QueryResponse.fromJson(
      _response as core.Map<core.String, core.dynamic>);