Looking for example using categorytree. Using example shared only able to create one level. Not able to add subcategory. Could any one please share the subcategory example.
<categorytree mode="pages">Manual</categorytree>
Manual
Authentication and login
Customization techniques
MediaWiki as a content management system
Manual:Ajax
AuthPlugin
Manual:Creating pages with preloaded text
Step1 Install extension https://www.mediawiki.org/wiki/Extension:CategoryTree#Usage
Step2 add [[Category:Manual]] in page.
Step3 Create category if does not exists.
Step4 add category [[Category:Manual]] in another category page [[Category:Authentication and login]]
Step5 add {{#categorytree:Manual|depth=5|mode=all}} in a page where you want to add category.