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ABAP Keyword Documentation →  ABAP − Reference →  Calling and leaving program units →  Calling Processing Blocks →  Calling Procedures 


Quick Reference

Other versions: 7.31 | 7.40 | 7.54

Syntax Forms

General Subroutine Call

1. PERFORM subr_identifier [parameter_list].

Registration of Subroutines

2. PERFORM subr ON { {COMMIT [LEVEL idx]} | {ROLLBACK} }.


Calls or registers subroutines.

Subroutines can be called statically and dynamically, internally and externally. Parameters can only be passed if they are called statically. Furthermore, subroutines can be registered for execution at the end of an SAP LUW.

Programming Guideline

Do not implement in function modules and subroutines


Subroutines are obsolete. Do not create new subroutines in new programs. Methods should be used instead. Subroutines created in existing programs for internal modularization can continue to be called. Whenever possible, however, external subroutine calls from other programs should be avoided.


PERFORM - general

PERFORM - parameter_list