How to debug Function Modules from ISA!!!

[#1]

Hi Gurus,

How to debug the function modules from ISA.

For Ex:If i am in shopping cart or product catalog,e.t.c..i need to know which FM is calling from backend, how to debug the FMs/Bapis related to that from ISA side.

direct me to all the possible ways.

Regards,

Anil.

[devendervb]

Try to findout with Session trace- Will get information from Developer guide.

-Regards,

Devender