SAP FM_OPEN_ITEM_READ Function Module for

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FM_OPEN_ITEM_READ is a standard fm open item read 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 read FM, simply by entering the name FM_OPEN_ITEM_READ 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_READ 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_READ'"
  EXPORTING
   I_REFBN =  "Reference Document Number
   I_REFBT =  "Reference document category
   I_RFORG =  "Reference organisational units
   I_RFTYP =  "Reference Document Number
   I_RFSYS =  "Reference Document Number
*  I_RFPOS =  "Item number of reference document

 IMPORTING
   E_DOC_EXIST =  "
   E_POS_EXIST =  "

TABLES
*  T_FMIOI =  "

.

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_READ

I_REFBN - Reference Document Number

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

I_REFBT - Reference document category

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

I_RFORG - Reference organisational units

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

I_RFTYP - Reference Document Number

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

I_RFSYS - Reference Document Number

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

I_RFPOS - Item number of reference document

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

EXPORTING Parameters details for FM_OPEN_ITEM_READ

E_DOC_EXIST -

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

E_POS_EXIST -

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

TABLES Parameters details for FM_OPEN_ITEM_READ

T_FMIOI -

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

Copy and paste ABAP code example for FM_OPEN_ITEM_READ 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_READ

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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