+my $rows = RT->Config->Get('AdminSearchResultRows')->{'CustomFields'} || 50;
+
+my $display_format = $id
+ ? ("'__RemoveCheckBox.{$id}__',". $format .", '__MoveCF.{$id}__'")
+ : ("'__CheckBox.{RemoveCustomField}__',". $format .", '__MoveCF.{$id}__'");
+$m->callback(CallbackName => 'EditDisplayFormat', DisplayFormat => \$display_format, id => $id);