*Get events using function module
CALL FUNCTION 'REUSE_ALV_EVENTS_GET'
* EXPORTING
* I_LIST_TYPE = 0
IMPORTING
ET_EVENTS = I_EVENTS .
*add perform name to a event
READ TABLE I_EVENTS INTO WA_EVENTS WITH KEY NAME = ‘' .
WA_EVENTS-FORM = '' .
MODIFY I_EVENTS FROM WA_EVENTS INDEX SY-TABIX . 
* = name of the event 
* is perform name to implement for particular event