# Lesson 7: Customize metrics streams produced by OpenTelemetry SDK using views The above code tutorials show how to customize the metric streams produced by the SDK using Views. * change_aggregation.py: Shows how to configure to change the default aggregation using name of the instrument * configure_temporality.py: Shows how to have multiple exporter with different temporalities * control_attributes_from_metrics.py: Shows how to limit the number of attributes that are output for a metric. * drop_metrics_with_name.py: Shows how to drop a metric entirely