POP up in webdynpro

Hello Expert,

i have a requirement where i want to call pop up once user click on SAVE button created by us and depending on action we proceed further.The problem is we are calling a method in custom class(Not assistance class) once user click on SAVE button.

So in that class method if we call POP_UP_TO_CONFIRM,it is giving dump.

please suggest.

Thanks

Mahesh