To call any SAP Tcode from within program when a user chooses any menu options or selects any button on the GUI we use CALL TRANSACTION ‘XXXX’ in the program. An alternative to this SAP provides a standard FM ‘ABAP4_CALL_TRANSACTION’ which can be used as an alternative to CALL TRANSACTION statement where we have the authority check for the user and a lot more variants to the CALL TRANSATION statement exists.
Test the FM.
Provide the transaction code name and execute.
So here it calls the Transaction .
SAPCODES 