ulx mess up

hi there,
i removed a command that lets you manage ranks on my gmod server and would like to add it back so i can add and remove people from groups, whats the command i put in console and the group i would like to allow it to is called user++
thanks (and yes im an idiot)

[editline]18th July 2013[/editline]

i believe its sorta along the lines of ‘vgui manageuser’