SAP FM_CHANGE_AA_DOCFM_READ_CHAIN Function Module for

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FM_CHANGE_AA_DOCFM_READ_CHAIN is a standard fm change aa docfm read chain 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 fm change aa docfm read chain FM, simply by entering the name FM_CHANGE_AA_DOCFM_READ_CHAIN into the relevant SAP transaction such as SE37 or SE38.

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

Function FM_CHANGE_AA_DOCFM_READ_CHAIN 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 'FM_CHANGE_AA_DOCFM_READ_CHAIN'"
  EXPORTING
   I_RLDNR =  "
*  I_DERIVE_ACCASS = ' ' "
*  I_CHECK_BOC = ' ' "
   I_REFBT =  "
   I_REFBN =  "
   I_RFPOS =  "
   I_RFKNT =  "
   I_FIKRS =  "
   I_BUKRS =  "
   I_KOKRS =  "
   I_GJAHR =  "

 IMPORTING
   E_T_RETURN =  "FM: Return Parameter for Commitment Documents

TABLES
   T_FMCHA1 =  "
*  T_GJAHR =  "Structure of a Ranges Table for a Character (4) Field
   T_LOGSYS =  "Structure of a Range Table for a (10) Character Field

.

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_SAPLFMCH_001 Determine FM Account Assignment from Coding Block
EXIT_SAPLFMCH_002 Own Table Updates During Reassignment
EXIT_SAPLFMCH_003 Change of Account Assignment, Reject Reassignment

IMPORTING Parameters details for FM_CHANGE_AA_DOCFM_READ_CHAIN

I_RLDNR -

Data type: FMCHA1-RLDNR
Optional: No
Call by Reference: No ( called with pass by value option)

I_DERIVE_ACCASS -

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

I_CHECK_BOC -

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

I_REFBT -

Data type: FMCHA1-REFBT
Optional: No
Call by Reference: No ( called with pass by value option)

I_REFBN -

Data type: FMCHA1-REFBN
Optional: No
Call by Reference: No ( called with pass by value option)

I_RFPOS -

Data type: FMCHA1-RFPOS
Optional: No
Call by Reference: No ( called with pass by value option)

I_RFKNT -

Data type: FMCHA1-RFKNT
Optional: No
Call by Reference: No ( called with pass by value option)

I_FIKRS -

Data type: FMCHA1-FIKRS
Optional: No
Call by Reference: No ( called with pass by value option)

I_BUKRS -

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

I_KOKRS -

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

I_GJAHR -

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

EXPORTING Parameters details for FM_CHANGE_AA_DOCFM_READ_CHAIN

E_T_RETURN - FM: Return Parameter for Commitment Documents

Data type: FM_T_OIRETURN
Optional: No
Call by Reference: Yes

TABLES Parameters details for FM_CHANGE_AA_DOCFM_READ_CHAIN

T_FMCHA1 -

Data type: FMCHA1
Optional: No
Call by Reference: No ( called with pass by value option)

T_GJAHR - Structure of a Ranges Table for a Character (4) Field

Data type: RANGE_C4
Optional: Yes
Call by Reference: Yes

T_LOGSYS - Structure of a Range Table for a (10) Character Field

Data type: RANGE_C10
Optional: No
Call by Reference: Yes

Copy and paste ABAP code example for FM_CHANGE_AA_DOCFM_READ_CHAIN 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 FM_CHANGE_AA_DOCFM_READ_CHAIN

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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