SAP DOCUMENT_ASSIGNS_CHANGE Function Module for Change or delete allocations
DOCUMENT_ASSIGNS_CHANGE is a standard document assigns change SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Change or delete allocations 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 document assigns change FM, simply by entering the name DOCUMENT_ASSIGNS_CHANGE into the relevant SAP transaction such as SE37 or SE38.
Function Group: CVOB
Program Name: SAPLCVOB
Main Program: SAPLCVOB
Appliation area: M
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function DOCUMENT_ASSIGNS_CHANGE 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 'DOCUMENT_ASSIGNS_CHANGE'"Change or delete allocations.
EXPORTING
DOKAR = "Document Type
DOKNR = "Document number
DOKOB = "Linked SAP Object
DOKVR = "Document Version
* OBJKY_NEW = ' ' "Document management object key
* OBJKY_OLD = "Document management object key
TLDOK = "Document Part
IMPORTING Parameters details for DOCUMENT_ASSIGNS_CHANGE
DOKAR - Document Type
Data type: DRAW-DOKAROptional: No
Call by Reference: No ( called with pass by value option)
DOKNR - Document number
Data type: DRAW-DOKNROptional: No
Call by Reference: No ( called with pass by value option)
DOKOB - Linked SAP Object
Data type: DRAD-DOKOBOptional: No
Call by Reference: No ( called with pass by value option)
DOKVR - Document Version
Data type: DRAW-DOKVROptional: No
Call by Reference: No ( called with pass by value option)
OBJKY_NEW - Document management object key
Data type: DRAD-OBJKYDefault: ' '
Optional: Yes
Call by Reference: No ( called with pass by value option)
OBJKY_OLD - Document management object key
Data type: DRAD-OBJKYOptional: Yes
Call by Reference: No ( called with pass by value option)
TLDOK - Document Part
Data type: DRAW-DOKTLOptional: No
Call by Reference: No ( called with pass by value option)
Copy and paste ABAP code example for DOCUMENT_ASSIGNS_CHANGE 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_dokar | TYPE DRAW-DOKAR, " | |||
| lv_doknr | TYPE DRAW-DOKNR, " | |||
| lv_dokob | TYPE DRAD-DOKOB, " | |||
| lv_dokvr | TYPE DRAW-DOKVR, " | |||
| lv_objky_new | TYPE DRAD-OBJKY, " ' ' | |||
| lv_objky_old | TYPE DRAD-OBJKY, " | |||
| lv_tldok | TYPE DRAW-DOKTL. " |
|   CALL FUNCTION 'DOCUMENT_ASSIGNS_CHANGE' "Change or delete allocations |
| EXPORTING | ||
| DOKAR | = lv_dokar | |
| DOKNR | = lv_doknr | |
| DOKOB | = lv_dokob | |
| DOKVR | = lv_dokvr | |
| OBJKY_NEW | = lv_objky_new | |
| OBJKY_OLD | = lv_objky_old | |
| TLDOK | = lv_tldok | |
| . " DOCUMENT_ASSIGNS_CHANGE | ||
ABAP code using 7.40 inline data declarations to call FM DOCUMENT_ASSIGNS_CHANGE
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 DOKAR FROM DRAW INTO @DATA(ld_dokar). | ||||
| "SELECT single DOKNR FROM DRAW INTO @DATA(ld_doknr). | ||||
| "SELECT single DOKOB FROM DRAD INTO @DATA(ld_dokob). | ||||
| "SELECT single DOKVR FROM DRAW INTO @DATA(ld_dokvr). | ||||
| "SELECT single OBJKY FROM DRAD INTO @DATA(ld_objky_new). | ||||
| DATA(ld_objky_new) | = ' '. | |||
| "SELECT single OBJKY FROM DRAD INTO @DATA(ld_objky_old). | ||||
| "SELECT single DOKTL FROM DRAW INTO @DATA(ld_tldok). | ||||
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