object.
The most common thing to do is probably to call $template->param() to add
-a new custom parameter to the template. Note that in order to be robust,
-it's a good idea to check whether the template has a variable before trying
-to set it, as setting a variable that's not present is an error.
-
- if ($template->query(name => 'foo')) {
- $template->param("foo" => "bar");
- }
+a new custom parameter to the template.
## sanitize