SAP CHAR_VALUE_CONVERSION_EXIT Function Module for Edititing CHAR Characteristic Value via Conversion Exit

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CHAR_VALUE_CONVERSION_EXIT is a standard char value conversion exit SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Edititing CHAR Characteristic Value via Conversion Exit 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 char value conversion exit FM, simply by entering the name CHAR_VALUE_CONVERSION_EXIT into the relevant SAP transaction such as SE37 or SE38.

Function Group: C5CH
Program Name: SAPLC5CH
Main Program:
Appliation area: C
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function CHAR_VALUE_CONVERSION_EXIT 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 'CHAR_VALUE_CONVERSION_EXIT'"Edititing CHAR Characteristic Value via Conversion Exit
  EXPORTING
   CONV_MODE_IMP =  "Conversion mode ('O'=Output, 'I'=Input)
*  FLG_CHAR_DATA_PROVIDE_IMP = 'X' "Flag, read characteristic data
   ATINN_IMP =  "Charact.
*  ATKON_IMP =  "Conversion exit for characteristic value
*  ANZST_IMP = 0 "Number of characters
   ATWRTSHOW_IMP =  "Old characteristic value

 IMPORTING
   ATWRTSHOW_EXP =  "New characteristic value

EXCEPTIONS
   WRONG_CONV_MODE = 1    NECESSARY_PARAMS_NOT_GIVEN = 2    COULD_NOT_READ_CHAR_DATA = 3    FUNC_CONV_EXIT_NOT_FOUND = 4    ERROR_CONV_EXIT = 5 

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IMPORTING Parameters details for CHAR_VALUE_CONVERSION_EXIT

CONV_MODE_IMP - Conversion mode ('O'=Output, 'I'=Input)

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

FLG_CHAR_DATA_PROVIDE_IMP - Flag, read characteristic data

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

ATINN_IMP - Charact.

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

ATKON_IMP - Conversion exit for characteristic value

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

ANZST_IMP - Number of characters

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

ATWRTSHOW_IMP - Old characteristic value

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

EXPORTING Parameters details for CHAR_VALUE_CONVERSION_EXIT

ATWRTSHOW_EXP - New characteristic value

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

EXCEPTIONS details

WRONG_CONV_MODE - Unauthorized conversion mode

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

NECESSARY_PARAMS_NOT_GIVEN - Required parameters not transferred

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

COULD_NOT_READ_CHAR_DATA - Could not read characteristic data

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

FUNC_CONV_EXIT_NOT_FOUND - Could not find FM for conversion exit

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

ERROR_CONV_EXIT - Error after calling conversion exit

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

Copy and paste ABAP code example for CHAR_VALUE_CONVERSION_EXIT 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 CHAR_VALUE_CONVERSION_EXIT

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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