[htmltmpl] how to determine if tmpl_var exists in a loop?

[Kapoor, N. <nis...@xc...>]

I have used=20

if ($template->query(name =3D> 'tmplVar')) {}

to check if a tmpl_var exists in the template or not.

How/what do I use for a tmpl_var inside a tmpl_loop?

Thanks
Nishi