SAP FKK_WRITEOFF Function Module for
FKK_WRITEOFF is a standard fkk writeoff 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 fkk writeoff FM, simply by entering the name FKK_WRITEOFF into the relevant SAP transaction such as SE37 or SE38.
Function Group: FKA1
Program Name: SAPLFKA1
Main Program: SAPLFKA1
Appliation area: F
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function FKK_WRITEOFF 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 'FKK_WRITEOFF'".
EXPORTING
I_FKKKO = "Header Data of New Write-Off Document
I_RFKA1 = "Screen Fields
* I_TRANSACTION = 'FP04' "Current Transaction Code
IMPORTING
E_OPBEL = "
TABLES
T_FKKCL = "Selected Items for Write-Off
T_FKKCL_SPLIT = "
T_BUKTAB = "Company Codes
IMPORTING Parameters details for FKK_WRITEOFF
I_FKKKO - Header Data of New Write-Off Document
Data type: FKKKOOptional: No
Call by Reference: Yes
I_RFKA1 - Screen Fields
Data type: RFKA1Optional: No
Call by Reference: Yes
I_TRANSACTION - Current Transaction Code
Data type: SY-TCODEDefault: 'FP04'
Optional: Yes
Call by Reference: No ( called with pass by value option)
EXPORTING Parameters details for FKK_WRITEOFF
E_OPBEL -
Data type: FKKKO-OPBELOptional: No
Call by Reference: Yes
TABLES Parameters details for FKK_WRITEOFF
T_FKKCL - Selected Items for Write-Off
Data type: FKKCLOptional: No
Call by Reference: No ( called with pass by value option)
T_FKKCL_SPLIT -
Data type: FKKOP_SPLIT_BY_KEYOptional: No
Call by Reference: No ( called with pass by value option)
T_BUKTAB - Company Codes
Data type: IBUKTABOptional: No
Call by Reference: No ( called with pass by value option)
Copy and paste ABAP code example for FKK_WRITEOFF 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_e_opbel | TYPE FKKKO-OPBEL, " | |||
| lv_i_fkkko | TYPE FKKKO, " | |||
| lt_t_fkkcl | TYPE STANDARD TABLE OF FKKCL, " | |||
| lv_i_rfka1 | TYPE RFKA1, " | |||
| lt_t_fkkcl_split | TYPE STANDARD TABLE OF FKKOP_SPLIT_BY_KEY, " | |||
| lt_t_buktab | TYPE STANDARD TABLE OF IBUKTAB, " | |||
| lv_i_transaction | TYPE SY-TCODE. " 'FP04' |
|   CALL FUNCTION 'FKK_WRITEOFF' " |
| EXPORTING | ||
| I_FKKKO | = lv_i_fkkko | |
| I_RFKA1 | = lv_i_rfka1 | |
| I_TRANSACTION | = lv_i_transaction | |
| IMPORTING | ||
| E_OPBEL | = lv_e_opbel | |
| TABLES | ||
| T_FKKCL | = lt_t_fkkcl | |
| T_FKKCL_SPLIT | = lt_t_fkkcl_split | |
| T_BUKTAB | = lt_t_buktab | |
| . " FKK_WRITEOFF | ||
ABAP code using 7.40 inline data declarations to call FM FKK_WRITEOFF
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 OPBEL FROM FKKKO INTO @DATA(ld_e_opbel). | ||||
| "SELECT single TCODE FROM SY INTO @DATA(ld_i_transaction). | ||||
| DATA(ld_i_transaction) | = 'FP04'. | |||
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