An SAP Consultant

• Create one program with name ZTEST_PROGRAM and One subroutine in that.

Report ZTEST_PROGRAM.
data: x type p,
y type p.
x = 1.
y = 2.
perform get_changed_values using x CHANGING y.
WRITE:/ x,y.
*&---------------------------------------------------------------------*
*&      Form  get_changed_values
*&---------------------------------------------------------------------*
form get_changed_values  using    p_x
changing p_y.
p_y = p_y + p_x + 1.
endform.                    " get_changed_values 

• Create another program with name ZTEST_NOTEPAD and call subroutine used in the above program.

REPORT ztest_notepad.
data: x type p,
y type p.
x = 2.
y = 3.
perform get_changed_values(ZTEST_PROGRAM) using x CHANGING y.
WRITE:/ x,y.