# Macro Parameter Pickers

The WYSIWYG editor is now able to load pickers for macro parameters based on their type. The binding between macro parameter types and the associated pickers is done on the server side (check the templates/html_displayer folder inside the XWiki WAR). For instance, if you have a wiki-based rendering macro, you can set the type of a macro parameter to "org.xwiki.model.reference.DocumentReference" in order to get a document picker when inserting or editing your macro from the WYSIWYG editor. Check the CKEditor Integration documentation for more information.

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