How to use this class get an insert query ID?

$ sql = "insert into domains set name =? S, License =? S, EndDate =? S, Session =? s ";
$ DB- & GT; Query ($ SQL, $ Name, $ Code, $ EDDS, "Begin");
DIE ($ db- & gt; insert_id);

Answer 1, Authority 100%

Method is called InsertID ()

die ($ db- & gt; insertid ());