i tried to do the functional exit in the following manner.
after double click on component of SAPMF02D.
i got EXIT_SAPMFO2D_001 and i double click on this functional module.
i found the INCLUDE ZXF04U01. After i double click on this include program i got following message 'Program names ZX... are reserved for includes of exit function groups' in status bar and it will not allow to do write in the include program?????????
can any body help me to resolve this problem...............