Template:Category if exists/doc

This is a documentation subpage for Template:Category if exists.
It may contain usage information, categories and other content that is not part of the original template page.

This template uses Lua:

Module:If not given or empty

This template outputs a category if the category exists. Otherwise, it returns nothing. It is intended for use in templates.

This template follows category redirects (using {{resolve category redirect}}).

TemplateData

Outputs a link to a category if it exists; otherwise returns nothing.

Template parameters
This template prefers inline formatting of parameters.
Parameter		Description	Type	Status
Category name	`1`	Category for potential inclusion if it exists. "Category:" prefix is optional. Example Category:Writers	Page name	required
Sort key	`2`	[[WP:SORTKEY]] of the category. Suggested values `*` Example Foo	Line	optional