SAP RETURN VALUE GLOSRY documentation, setup help and example usage

ARTICLE

return value
Numerical value for many ABAP statements
that is entered in the system field
sy-subrc when the statement is executed. The value 0 usually means processing has been completed successfully. The result for functional methods and predefined functions . The result for functional methods is the formal parameter defined by the addition
RETURNING
of statement [CLASS-]
METHODS
.