Pang-bô͘:Chembox headerbar/doc

Wikipedia (chū-iû ê pek-kho-choân-su) beh kā lí kóng...


Usage[kái goân-sí-bé]

|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]]}}