% my $name = $NamePrefix . $CustomField->Id . '-Value';
% if ($Multiple) {
%   $RT::Logger->error("TimeValue Multiple custom field not supported");
%   return;
% }
<& /Elements/EditTimeValue,
    Name    => $name,
    Default => $Default,
    InUnits => $ARGS{"$name-TimeUnits"} || 'minutes',
&>
<%ARGS>
$CustomField => undef
$NamePrefix => undef
$Default => undef
$Multiple => undef
</%ARGS>