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.Usage2359previous 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.EExtension/Workflows/Activity/UserVote +false +Extension/Workflows/Editor +false +Extension/Workflows/Triggers +false +ExtensionFocus +false +ExtensionType +false +External Data +false +External link.png +false +FFlorian Bäckmann +false +FeatureDeactivated +false +FeatureNo +false +Featurepage +false +FeaturepageResultEnd +false +FeaturepageResultRow +false +FeaturepageResultStart +false +File System Permissions +false +File list +false +File list +false +File localMathPHP.png +false +File settingsPHP.png +false +Filename +false +