The following parameters that are all optional, may also be used:
type
Adds a note as to which type of template the category (but not necessarily its subcategories) is meant to contain, e.g.
{{template category|type=navbox}}
Currently, setting type to one of several values produces a preset note. The values are:
book · conversion · external link · formatting · function · infobox · meta · navbox · stub · userbox
If type is set to something other than one of these values, the default message "The pages listed in this category are meant be type templates." appears.
{{template category
|type = navbox
|topic = China
|description = For templates relating specifically to the People's Republic of China (PRC) or the current Republic of China (ROC, "Taiwan").
}}
Templates relating to China.
For templates relating specifically to the People's Republic of China (PRC) or the current Republic of China (ROC, "Taiwan").