SAP FM_OPEN_ITEM_NUMBER Function Module for

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FM_OPEN_ITEM_NUMBER is a standard fm open item number 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 fm open item number FM, simply by entering the name FM_OPEN_ITEM_NUMBER into the relevant SAP transaction such as SE37 or SE38.

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

Function FM_OPEN_ITEM_NUMBER 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 'FM_OPEN_ITEM_NUMBER'"
  EXPORTING
*  I_BELNR =  "
*  I_EBELN =  "
*  I_ORGVG = 'RMBE' "

EXCEPTIONS
   NUMBER_MISSING = 1 

.

Customer Function user exits

Below is a list of CUSTOMER FUNCTION exit user exits that are available within this program and maybe relevant for this FM.
EXIT_SAPLFMOI_001 Define Data Compression for FMIOI/FMIT
EXIT_SAPLFMOI_002 MM-Commtment Authorization-Update: Read FMBUDAT Check
EXIT_SAPLFMOI_003 MM-Commitment Authorization-Update: Deactivate CCN Check
EXIT_SAPLFMOI_004 Fill User Dimension: Reservation Documents
EXIT_SAPLFMOI_005 Fill User Dimension: Purchase Requisitions
EXIT_SAPLFMOI_006 Fill User Dimensions: Purchase Orders
EXIT_SAPLFMOI_007 Fill User Dimension: Travel

IMPORTING Parameters details for FM_OPEN_ITEM_NUMBER

I_BELNR -

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

I_EBELN -

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

I_ORGVG -

Data type: COBK-ORGVG
Default: 'RMBE'
Optional: Yes
Call by Reference: No ( called with pass by value option)

EXCEPTIONS details

NUMBER_MISSING -

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

Copy and paste ABAP code example for FM_OPEN_ITEM_NUMBER 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 FM_OPEN_ITEM_NUMBER

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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