get sketch point using SelectByID2 within AssemblyDoc

Hello , guys.

How can correctly select a sketch point using SelectByID2 within AssemblyDoc? How to obtain the sketch point's name for the first arguement of "SelectByID2" ?

And why can not get the right object when the its coordiantes are correctly imput ?

Can anyone help ? Any idea would be greatly appreciated !

SolidworksApi macros