SAP READ_VBFA Function Module for SD: Read Document Flow

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READ_VBFA is a standard read vbfa SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for SD: Read Document Flow 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 read vbfa FM, simply by entering the name READ_VBFA into the relevant SAP transaction such as SE37 or SE38.

Function Group: WB2N
Program Name: SAPLWB2N
Main Program: SAPLWB2N
Appliation area: V
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function READ_VBFA 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 'READ_VBFA'"SD: Read Document Flow
  EXPORTING
   I_VBELV =  "Preceding sales and distribution document
   I_POSNV =  "Preceding item of an SD document
*  I_VBTYP_V =  "Document Category of Preceding SD Document
*  I_VBTYP_N =  "Document category of subsequent document
*  I_FKTYP =  "Billing Category
*  I_BYPASSING_BUFFER =  "
*  I_REFRESH_BUFFER =  "

TABLES
   E_VBFA =  "Sales Document Flow

EXCEPTIONS
   NO_RECORD_FOUND = 1 

.

IMPORTING Parameters details for READ_VBFA

I_VBELV - Preceding sales and distribution document

Data type: VBFA-VBELV
Optional: No
Call by Reference: Yes

I_POSNV - Preceding item of an SD document

Data type: VBFA-POSNV
Optional: No
Call by Reference: Yes

I_VBTYP_V - Document Category of Preceding SD Document

Data type: VBFA-VBTYP_V
Optional: Yes
Call by Reference: Yes

I_VBTYP_N - Document category of subsequent document

Data type: VBFA-VBTYP_N
Optional: Yes
Call by Reference: Yes

I_FKTYP - Billing Category

Data type: VBFA-FKTYP
Optional: Yes
Call by Reference: Yes

I_BYPASSING_BUFFER -

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

I_REFRESH_BUFFER -

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

TABLES Parameters details for READ_VBFA

E_VBFA - Sales Document Flow

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

EXCEPTIONS details

NO_RECORD_FOUND -

Data type:
Optional: No
Call by Reference: Yes

Copy and paste ABAP code example for READ_VBFA 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 READ_VBFA

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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