SAP DRF_SELECT_SERV_CLASS Function Module for Read Service-Implementing Classes

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DRF_SELECT_SERV_CLASS is a standard drf select serv class SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Read Service-Implementing Classes processing and below is the pattern details for this FM, showing its interface including any import and export parameters, exceptions etc. there is also a full "cut and paste" ABAP pattern code example, along with implementation ABAP coding, documentation and contribution comments specific to this or related objects.

See here to view full function module documentation and code listing for drf select serv class FM, simply by entering the name DRF_SELECT_SERV_CLASS into the relevant SAP transaction such as SE37 or SE38.

Function Group: 0DRF_CUST_CHECKS
Program Name: SAPL0DRF_CUST_CHECKS
Main Program: SAPL0DRF_CUST_CHECKS
Appliation area:
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function DRF_SELECT_SERV_CLASS pattern details

In-order to call this FM within your sap programs, simply using the below ABAP pattern details to trigger the function call...or see the full ABAP code listing at the end of this article. You can simply cut and paste this code into your ABAP progrom as it is, including variable declarations.

CALL FUNCTION 'DRF_SELECT_SERV_CLASS'"Read Service-Implementing Classes
  EXPORTING
*  IV_SERV_ROOT_CLASS =  "Root-Klasse (Default: 'CL_WES_SERVICE_OUTBOUND')

TABLES
   ET_SERV_CLASS =  "Generierte Tabelle zum View WESV_SERV_CLASS

.

IMPORTING Parameters details for DRF_SELECT_SERV_CLASS

IV_SERV_ROOT_CLASS - Root-Klasse (Default: 'CL_WES_SERVICE_OUTBOUND')

Data type: SEOCLSNAME
Optional: Yes
Call by Reference: Yes

TABLES Parameters details for DRF_SELECT_SERV_CLASS

ET_SERV_CLASS - Generierte Tabelle zum View WESV_SERV_CLASS

Data type: DRFV_OUTB_CLASS
Optional: No
Call by Reference: Yes

Copy and paste ABAP code example for DRF_SELECT_SERV_CLASS Function Module

The ABAP code below is a full code listing to execute function module POPUP_TO_CONFIRM including all data declarations. The code uses the original data declarations rather than the latest in-line data DECLARATION SYNTAX but I have included an ABAP code snippet at the end to show how declarations would look using the newer method of declaring data variables on the fly. This will allow you to compare and fully understand the new inline method. Please note some of the newer syntax such as the @DATA is not available until a later 4.70 service pack (SP8), which i why i have stuck to the origianl for this example.

ABAP code using 7.40 inline data declarations to call FM DRF_SELECT_SERV_CLASS

The below ABAP code uses the newer in-line data declarations. This allows you to see the coding differences/benefits of the later inline syntax. Please note some of the newer syntax below, such as the @DATA is not available until 4.70 EHP 8.

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