Hi Mahalakshmi,
This is for re usability.
perform event_det1 using gt_events1[].
perform event_det1 using gt_events2[].
perform event_det1 using gt_events3[].
all three will call
form event_det1 using wt_events type slis_t_events .
Need not write 3 forms.
Thanks,
Anil