code: def get_project_metrics(self, project, metric_aggregation_type=None, min_metrics_time=None):
          
          route_values = {}
          if project is not None:
              route_values['project'] = self._serialize.url('project', project, 'str')
          if metric_aggregation_type is not None:
              route_values['metricAggregationType'] = self._serialize.url('metric_aggregation_type', metric_aggregation_type, 'str')
          query_parameters = {}
          if min_metrics_time is not None:
              query_parameters['minMetricsTime'] = self._serialize.query('min_metrics_time', min_metrics_time, 'iso-8601')
          response = self._send(http_method='GET',
                                location_id='7433fae7-a6bc-41dc-a6e2-eef9005ce41a',
                                version='5.0-preview.1',
                                route_values=route_values,
                                query_parameters=query_parameters)
          return self._deserialize('[BuildMetric]', self._unwrap_collection(response))
docs: GetProjectMetrics.
          [Preview API] Gets build metrics for a project.
          :param str project: Project ID or project name
          :param str metric_aggregation_type: The aggregation type to use (hourly, daily).
          :param datetime min_metrics_time: The date from which to calculate metrics.
          :rtype: [BuildMetric]