want to create program for scheduling another program

Requirement :

I have one report ABC and I want to create program XYZ for scheduling the report ABC (without executing the program ABC )

Variant should be created by using function module (FASU_V_CREATE_VARIANT_RFC ) example vaiant :WXY

XYZ program will contain :

1) program name : ABC

2) variant name : WXY

could anyone please help me out??