! colspan=2 style="background: #f8eaba; text-align: center;" |
|-
![](https://upload.wikimedia.org/wikipedia/commons/thumb/4/43/Test_Template_Info-Icon_-_Version_%282%29.svg/50px-Test_Template_Info-Icon_-_Version_%282%29.svg.png)
Usage
|header=Identifiers
(header text)
|addcats=
allows adding a maintenance category. Usually checks a condition. Will only work in mainspace.
|addcats = {{#if:{{{OldParameter|}}}|[[Category:Bad parameter used]]}}