This template is not blank, it adds a little icon in the top-right corner. See?
This template adds your username to Category:Wikipedia checkusers.
Usage
Place {{Checkuser topicon}} anywhere on your user page.
This icon is based on {{Top icon}}.
{{Checkuser topicon
| nocat = yes = disables the automatically added category (default = no)
| sortkey = = custom sorting - the relative position of topicons on the page (alphabetical)
}}
See also
The above documentation is transcluded from Template:Checkuser topicon/doc. (edit | history)
Editors can experiment in this template's sandbox (create | mirror) and testcases (create) pages.
Add categories to the /doc subpage. Subpages of this template.
Editors can experiment in this template's sandbox (create | mirror) and testcases (create) pages.
Add categories to the /doc subpage. Subpages of this template.