Template:Tracking category/doc

Usage
This message box is used to identify tracking categories, categories mainly created to create lists of templates or pages using specific syntaxes or features.

When this message box is used on category pages it categorises them into Category:Tracking categories. When shown/demonstrated on any other kind of page it does not add any category, instead it shows a reminder about where this message box is supposed to be used.

Adding  to the template will also hide the category and display a message identical to Hidden category. This should be used to save space on pages where there are multiple templates, rather than having an additional messagebox with Hidden category.