Template:Category if exists/sandbox
 | This is the template sandbox page for Template:Category if exists (diff). |
 | This template uses Lua: |
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
changeOutputs a link to a category if it exists; otherwise returns nothing.
| Parameter | Description | Type | Status | |
|---|---|---|---|---|
| Category name | 1 | Category for potential inclusion if it exists. "Category:" prefix is optional.
| Page name | required |
| Sort key | 2 | [[WP:SORTKEY]] of the category.
| Line | optional |