+ my $performance_profile = $new->performance_profile;
+ $performance_profile ||= $new->cust_svc->cust_pkg->part_pkg->pkg;
+
+ $err_or_som = $self->prizm_command('NetworkIfService', 'setElementConfigSet',
+ [ $element ],
+ $performance_profile,
+ 0,
+ 1,
+ );
+ return $err_or_som
+ unless ref($err_or_som);
+