SAP CALCULATE_CHECK_DIGIT_BOLETO Function Module for NOTRANSL: Calculate check digit for 'Nosso Número', i.e. Boleto number

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CALCULATE_CHECK_DIGIT_BOLETO is a standard calculate check digit boleto SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for NOTRANSL: Calculate check digit for 'Nosso Número', i.e. Boleto number 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 calculate check digit boleto FM, simply by entering the name CALCULATE_CHECK_DIGIT_BOLETO into the relevant SAP transaction such as SE37 or SE38.

Function Group: J1BM
Program Name: SAPLJ1BM
Main Program: SAPLJ1BM
Appliation area: F
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function CALCULATE_CHECK_DIGIT_BOLETO 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 'CALCULATE_CHECK_DIGIT_BOLETO'"NOTRANSL: Calculate check digit for 'Nosso Número', i.e. Boleto number
  EXPORTING
   BANKKEY =  "Bank number of our bank
   CONTA_CORR =  "Our Account Number at The Bank
   CARTEIRA =  "Generic Type
   NOS_NUMERO =  "Number of the Last Check Printed
   DOCDATE =  "Document Date in Document

 IMPORTING
   NOS_CHECK =  "Generic Type

.

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_SAPLJ1BM_001 Customer Exit for Calculating Additional Data in Boleto

IMPORTING Parameters details for CALCULATE_CHECK_DIGIT_BOLETO

BANKKEY - Bank number of our bank

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

CONTA_CORR - Our Account Number at The Bank

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

CARTEIRA - Generic Type

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

NOS_NUMERO - Number of the Last Check Printed

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

DOCDATE - Document Date in Document

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

EXPORTING Parameters details for CALCULATE_CHECK_DIGIT_BOLETO

NOS_CHECK - Generic Type

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

Copy and paste ABAP code example for CALCULATE_CHECK_DIGIT_BOLETO 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 CALCULATE_CHECK_DIGIT_BOLETO

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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