executeExtension method
Executes the request against a given extension.
Throws a http.ClientException if there were problems communicating with
the API service. Throws a ServiceException if the API method failed for
any reason.
Implementation
Future<ExecuteExtensionResponse> executeExtension(
ExecuteExtensionRequest request,
) async {
final url = Uri.https(_host, '/v1beta1/${request.name}:execute');
final response = await _client.post(url, body: request);
return ExecuteExtensionResponse.fromJson(response);
}