Tells if a checklist element was used on that page This property is pre-deployed (also known as special property) and comes with additional administrative privileges but can be used just like any other user-defined property.Usage3097previous 202050100250500next 20Filter<p>The <a target="_blank" rel="nofollow noreferrer noopener" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Property_page/Filter">search filter</a> allows the inclusion of <a target="_blank" rel="nofollow noreferrer noopener" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Query_expressions">query expressions</a> such as <code>~</code> or <code>!</code>. The selected <a target="_blank" rel="nofollow noreferrer noopener" class="external text" href="https://www.semantic-mediawiki.org/wiki/Query_engine">query engine</a> might also support case insensitive matching or other short expressions like:</p><ul><li><code>in:</code> result should include the term, e.g. '<code>in:Foo</code>'</li></ul><ul><li><code>not:</code> result should to not include the term, e.g. '<code>not:Bar</code>'</li></ul>Showing 20 pages using this property.PPageHeader +false +PageHeader +false +PageImages +false +PageTemplates1a.png +false +PageTemplates2.png +false +PageTemplates3a.png +false +Pagedraft:mentionswithtasks.png +false +ParserFunctions +false +ParserHooks +false +Pdf cover.png +false +Pdf templates - header editor.png +false +Pdf templates - properties.png +false +PdfHandler +false +Performance Optimization: ManualRecache of LanguageCache +false +Performance Optimization: MySQL (MariaDB) +false +Performance Optimization: PHP +false +Permalink insert visually.png +false +Permalink version history.png +false +PermissionManager custom setup.png +false +Permissionerror-default.png +false +
