% if ($attribute =~ /^CustomField\.\{([^}]+)\}/) {
%   my $cf = $Object->LoadCustomFieldByIdentifier($1);
%   if ($cf && $cf->id) {
<& /Elements/ShowConditionalCustomFields, CustomField => $cf, Object => $Object, ParentSelector => 'class' &>
%   }
% }
<%ARGS>
$attribute
$column
$Object
</%ARGS>