SAP GRPC_API_SESSION_OPEN Function Module for API to open the GRPC session

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GRPC_API_SESSION_OPEN is a standard grpc api session open SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for API to open the GRPC session 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 grpc api session open FM, simply by entering the name GRPC_API_SESSION_OPEN into the relevant SAP transaction such as SE37 or SE38.

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

Function GRPC_API_SESSION_OPEN 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 'GRPC_API_SESSION_OPEN'"API to open the GRPC session
  EXPORTING
*  I_LANGUAGE = SY-LANGU "The language for GRPC session
*  I_TIMEFRAME =  "GRPC Entity API: Timeframe of the session
*  I_TF_YEAR =  "The year of the GRPC entity API session

 IMPORTING
   E_SESSION_ID =  "GRPC unique session ID
   E_RETURN_CODE =  "Natural number

TABLES
*  ET_MESSAGE =  "Table with BAPI Return Information

.

IMPORTING Parameters details for GRPC_API_SESSION_OPEN

I_LANGUAGE - The language for GRPC session

Data type: GRPC_API_SESSION_LANGUAGE
Default: SY-LANGU
Optional: Yes
Call by Reference: No ( called with pass by value option)

I_TIMEFRAME - GRPC Entity API: Timeframe of the session

Data type: GRPC_API_SESSION_TIMEFRAME
Optional: Yes
Call by Reference: No ( called with pass by value option)

I_TF_YEAR - The year of the GRPC entity API session

Data type: GRPC_API_SESSION_TF_YEAR
Optional: Yes
Call by Reference: No ( called with pass by value option)

EXPORTING Parameters details for GRPC_API_SESSION_OPEN

E_SESSION_ID - GRPC unique session ID

Data type: GRPC_API_SESSION_ID
Optional: No
Call by Reference: No ( called with pass by value option)

E_RETURN_CODE - Natural number

Data type: INT4
Optional: No
Call by Reference: No ( called with pass by value option)

TABLES Parameters details for GRPC_API_SESSION_OPEN

ET_MESSAGE - Table with BAPI Return Information

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

Copy and paste ABAP code example for GRPC_API_SESSION_OPEN 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 GRPC_API_SESSION_OPEN

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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