SAP KNVA_GENERIC_READ_CUSTOMER Function Module for Customer Master: Read All Unloading Points for Each Customer

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KNVA_GENERIC_READ_CUSTOMER is a standard knva generic read customer SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Customer Master: Read All Unloading Points for Each Customer 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 knva generic read customer FM, simply by entering the name KNVA_GENERIC_READ_CUSTOMER into the relevant SAP transaction such as SE37 or SE38.

Function Group: VS01
Program Name: SAPLVS01
Main Program: SAPLVS01
Appliation area:
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function KNVA_GENERIC_READ_CUSTOMER 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 'KNVA_GENERIC_READ_CUSTOMER'"Customer Master: Read All Unloading Points for Each Customer
  EXPORTING
   I_KUNNR =  "Customer Number
*  I_RESET_BUFFER =  "Clear Buffer? (Yes = X)
*  I_BYPASSING_BUFFER =  "Process Buffer? (No = X)

TABLES
*  O_KNVA =  "Hit list

EXCEPTIONS
   NOT_FOUND = 1    PARAMETER_ERROR = 2 

.

IMPORTING Parameters details for KNVA_GENERIC_READ_CUSTOMER

I_KUNNR - Customer Number

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

I_RESET_BUFFER - Clear Buffer? (Yes = X)

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

I_BYPASSING_BUFFER - Process Buffer? (No = X)

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

TABLES Parameters details for KNVA_GENERIC_READ_CUSTOMER

O_KNVA - Hit list

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

EXCEPTIONS details

NOT_FOUND - No Entry Found

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

PARAMETER_ERROR - Error in parameters

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

Copy and paste ABAP code example for KNVA_GENERIC_READ_CUSTOMER 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 KNVA_GENERIC_READ_CUSTOMER

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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