Example
{{ if {form:success in="contact"} }}
<p>Thanks for filling out the survey! Sorry it was so long.</p>
{{ /if }}
form:success
is a Tag, not a variable. Wrap it with single braces when inside a conditional.
Parameters
handle|is|in|form|formset string
Specify the name of the form. Only required if you do not use the form:set
tag, or don't have a form
defined in the current context.