code: func copyMetricsMetadata(metadata *ecstcs.MetricsMetadata, fin bool) *ecstcs.MetricsMetadata {
  	return &ecstcs.MetricsMetadata{
  		Cluster:           aws.String(*metadata.Cluster),
  		ContainerInstance: aws.String(*metadata.ContainerInstance),
  		Idle:              aws.Bool(*metadata.Idle),
  		MessageId:         aws.String(*metadata.MessageId),
  		Fin:               aws.Bool(fin),
  	}
  }
docs: // copyMetricsMetadata creates a new MetricsMetadata object from a given MetricsMetadata object.
  // It copies all the fields from the source object to the new object and sets the 'Fin' field
  // as specified by the argument.