i can't put my Code but i Can put This Only
aclGroupAddObject (aclGetGroup("Admin"), "user."..accountname)
outputChatBox ( "#ffff00[" ..name .. "]:#C0C0C0 Has Bought #00ff00{ Add }", getRootElement(), 255, 0, 0, true )
aclGroupRemoveObject(aclGetGroup("Admin"), "user."..accountname)
so it's give player admin and remove admin after add