ars_SetContainer(ctrl, name, containerHash)containerHash before calling this routine.
      name is the name of the container.
      
containerHash is a partially assigned
      Container Attributes hash. 
      
Example:
This example changes the name of the container "TEST:FilterGuide". It also adds a filter to the end of the list.
      ($ct = ars_GetContainer($c, "TEST:FilterGuide")) ||
	    die $ars_errstr;
      push @{$ct->{referenceList}}, {
        type => 3,
        name => "TEST:Filter",
        dataType => 0,
        description => "",
        label => "",
      };
      ars_SetContainer( $c, "TEST:FilterGuide", {
        name => "TEST:FilterGuide 2",
        referenceList => $ct->{referenceList},
      } ) || die $ars_errstr;
      
This function was introduced in version 1.90 of ARSperl