SAP CONVERT_BANK_ACCOUNT_NUMBER Function Module for
CONVERT_BANK_ACCOUNT_NUMBER is a standard convert bank account 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 convert bank account number FM, simply by entering the name CONVERT_BANK_ACCOUNT_NUMBER into the relevant SAP transaction such as SE37 or SE38.
Function Group: FBKK
Program Name: SAPLFBKK
Main Program: SAPLFBKK
Appliation area: F
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function CONVERT_BANK_ACCOUNT_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 'CONVERT_BANK_ACCOUNT_NUMBER'".
EXPORTING
I_BANKS = "Bank Country Key
I_BANKK = "Bank Key
I_BANKN = "Bank Account Number
I_BKONT = "Bank control key
I_BKREF = "Reference specifications for bank details
* I_BANKL = "Bank Number
IMPORTING
E_BANKN_LONG = "
E_SUBRC = "Return Code (0/1/2)
E_BKREF = "Reference specifications for bank details
E_BKONT = "Bank Control Key of the Payee's Bank
IMPORTING Parameters details for CONVERT_BANK_ACCOUNT_NUMBER
I_BANKS - Bank Country Key
Data type: REGUH_BF-ZBNKSOptional: No
Call by Reference: No ( called with pass by value option)
I_BANKK - Bank Key
Data type: REGUH_BF-ZBNKYOptional: No
Call by Reference: No ( called with pass by value option)
I_BANKN - Bank Account Number
Data type: REGUH_BF-ZBNKNOptional: No
Call by Reference: No ( called with pass by value option)
I_BKONT - Bank control key
Data type: REGUH_BF-ZBKONOptional: No
Call by Reference: No ( called with pass by value option)
I_BKREF - Reference specifications for bank details
Data type: REGUH_BF-BKREFOptional: No
Call by Reference: No ( called with pass by value option)
I_BANKL - Bank Number
Data type: REGUH_BF-ZBNKLOptional: Yes
Call by Reference: No ( called with pass by value option)
EXPORTING Parameters details for CONVERT_BANK_ACCOUNT_NUMBER
E_BANKN_LONG -
Data type: COptional: No
Call by Reference: No ( called with pass by value option)
E_SUBRC - Return Code (0/1/2)
Data type: SY-SUBRCOptional: No
Call by Reference: No ( called with pass by value option)
E_BKREF - Reference specifications for bank details
Data type: REGUH_BF-BKREFOptional: No
Call by Reference: No ( called with pass by value option)
E_BKONT - Bank Control Key of the Payee's Bank
Data type: REGUH_BF-ZBKONOptional: No
Call by Reference: No ( called with pass by value option)
Copy and paste ABAP code example for CONVERT_BANK_ACCOUNT_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.| DATA: | ||||
| lv_i_banks | TYPE REGUH_BF-ZBNKS, " | |||
| lv_e_bankn_long | TYPE C, " | |||
| lv_e_subrc | TYPE SY-SUBRC, " | |||
| lv_i_bankk | TYPE REGUH_BF-ZBNKY, " | |||
| lv_e_bkref | TYPE REGUH_BF-BKREF, " | |||
| lv_i_bankn | TYPE REGUH_BF-ZBNKN, " | |||
| lv_e_bkont | TYPE REGUH_BF-ZBKON, " | |||
| lv_i_bkont | TYPE REGUH_BF-ZBKON, " | |||
| lv_i_bkref | TYPE REGUH_BF-BKREF, " | |||
| lv_i_bankl | TYPE REGUH_BF-ZBNKL. " |
|   CALL FUNCTION 'CONVERT_BANK_ACCOUNT_NUMBER' " |
| EXPORTING | ||
| I_BANKS | = lv_i_banks | |
| I_BANKK | = lv_i_bankk | |
| I_BANKN | = lv_i_bankn | |
| I_BKONT | = lv_i_bkont | |
| I_BKREF | = lv_i_bkref | |
| I_BANKL | = lv_i_bankl | |
| IMPORTING | ||
| E_BANKN_LONG | = lv_e_bankn_long | |
| E_SUBRC | = lv_e_subrc | |
| E_BKREF | = lv_e_bkref | |
| E_BKONT | = lv_e_bkont | |
| . " CONVERT_BANK_ACCOUNT_NUMBER | ||
ABAP code using 7.40 inline data declarations to call FM CONVERT_BANK_ACCOUNT_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.| "SELECT single ZBNKS FROM REGUH_BF INTO @DATA(ld_i_banks). | ||||
| "SELECT single SUBRC FROM SY INTO @DATA(ld_e_subrc). | ||||
| "SELECT single ZBNKY FROM REGUH_BF INTO @DATA(ld_i_bankk). | ||||
| "SELECT single BKREF FROM REGUH_BF INTO @DATA(ld_e_bkref). | ||||
| "SELECT single ZBNKN FROM REGUH_BF INTO @DATA(ld_i_bankn). | ||||
| "SELECT single ZBKON FROM REGUH_BF INTO @DATA(ld_e_bkont). | ||||
| "SELECT single ZBKON FROM REGUH_BF INTO @DATA(ld_i_bkont). | ||||
| "SELECT single BKREF FROM REGUH_BF INTO @DATA(ld_i_bkref). | ||||
| "SELECT single ZBNKL FROM REGUH_BF INTO @DATA(ld_i_bankl). | ||||
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