diff options
Diffstat (limited to 'doc/plugins/write.mdwn')
| -rw-r--r-- | doc/plugins/write.mdwn | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/doc/plugins/write.mdwn b/doc/plugins/write.mdwn index 5be90efdf..abad87568 100644 --- a/doc/plugins/write.mdwn +++ b/doc/plugins/write.mdwn @@ -96,9 +96,16 @@ languages to ikiwiki. Each time a page is rendered, a [[template|templates]] is filled out. This hook allows modifying that template. The function is passed the name of the page, and a `HTML::Template` object that is the template that will -be used to generate the page. It can manipulate that template, the most -common thing to do is probably to call $template->param() to add a new -custom parameter to the template. +be used to generate the page. It can manipulate that template 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"); + } ## sanitize |