SAP SYSTEM_RFC_VERSION_3_INIT Function Module for
SYSTEM_RFC_VERSION_3_INIT is a standard system rfc version 3 init SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used to perform a specific ABAP function and below is the pattern details, 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 system rfc version 3 init FM, simply by entering the name SYSTEM_RFC_VERSION_3_INIT into the relevant SAP transaction such as SE37 or SE38.
Function Group: SRFC
Program Name: SAPLSRFC
Main Program: SAPLSRFC
Appliation area: S
Release date: N/A
Mode(Normal, Remote etc): Remote-Enabled
Update:

Function SYSTEM_RFC_VERSION_3_INIT 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 'SYSTEM_RFC_VERSION_3_INIT'".
EXPORTING
* DEBUG = 0 "
* GUI = 0 "
* PROGID = ' ' "
* GWHOST = ' ' "
* GWSERV = ' ' "
* SNC = 0 "
IMPORTING Parameters details for SYSTEM_RFC_VERSION_3_INIT
DEBUG -
Data type: SY-INDEXOptional: Yes
Call by Reference: No ( called with pass by value option)
GUI -
Data type: SY-INDEXOptional: Yes
Call by Reference: No ( called with pass by value option)
PROGID -
Data type: RFCOPT-RFCEXECDefault: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)
GWHOST -
Data type: RFCOPT-RFCGWHOSTDefault: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)
GWSERV -
Data type: RFCOPT-RFCGWSERVDefault: SPACE
Optional: Yes
Call by Reference: No ( called with pass by value option)
SNC -
Data type: SY-INDEXOptional: Yes
Call by Reference: No ( called with pass by value option)
Copy and paste ABAP code example for SYSTEM_RFC_VERSION_3_INIT 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.| DATA: | ||||
| lv_debug | TYPE SY-INDEX, " 0 | |||
| lv_gui | TYPE SY-INDEX, " 0 | |||
| lv_progid | TYPE RFCOPT-RFCEXEC, " SPACE | |||
| lv_gwhost | TYPE RFCOPT-RFCGWHOST, " SPACE | |||
| lv_gwserv | TYPE RFCOPT-RFCGWSERV, " SPACE | |||
| lv_snc | TYPE SY-INDEX. " 0 |
|   CALL FUNCTION 'SYSTEM_RFC_VERSION_3_INIT' " |
| EXPORTING | ||
| DEBUG | = lv_debug | |
| GUI | = lv_gui | |
| PROGID | = lv_progid | |
| GWHOST | = lv_gwhost | |
| GWSERV | = lv_gwserv | |
| SNC | = lv_snc | |
| . " SYSTEM_RFC_VERSION_3_INIT | ||
ABAP code using 7.40 inline data declarations to call FM SYSTEM_RFC_VERSION_3_INIT
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.| "SELECT single INDEX FROM SY INTO @DATA(ld_debug). | ||||
| "SELECT single INDEX FROM SY INTO @DATA(ld_gui). | ||||
| "SELECT single RFCEXEC FROM RFCOPT INTO @DATA(ld_progid). | ||||
| DATA(ld_progid) | = ' '. | |||
| "SELECT single RFCGWHOST FROM RFCOPT INTO @DATA(ld_gwhost). | ||||
| DATA(ld_gwhost) | = ' '. | |||
| "SELECT single RFCGWSERV FROM RFCOPT INTO @DATA(ld_gwserv). | ||||
| DATA(ld_gwserv) | = ' '. | |||
| "SELECT single INDEX FROM SY INTO @DATA(ld_snc). | ||||
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