SAP RH_INIT_TREE Function Module for

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RH_INIT_TREE is a standard rh init tree 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 rh init tree FM, simply by entering the name RH_INIT_TREE into the relevant SAP transaction such as SE37 or SE38.

Function Group: RHDM
Program Name: SAPLRHDM
Main Program:
Appliation area: H
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function RH_INIT_TREE 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 'RH_INIT_TREE'"
  EXPORTING
*  DEPTH = 0 "Display depth of the structure
*  OFFSET = 3 "Length of the indentation
*  POSITION = 1 "Output line item in the report
*  TOP_LEVEL = 1 "Top level of structure

EXCEPTIONS
   INVALID_LEVEL = 1    INVALID_OFFSET = 2    INVALID_POSITION = 3 

.

IMPORTING Parameters details for RH_INIT_TREE

DEPTH - Display depth of the structure

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

OFFSET - Length of the indentation

Data type: SY-FDPOS
Default: 3
Optional: Yes
Call by Reference: No ( called with pass by value option)

POSITION - Output line item in the report

Data type: SY-FDPOS
Default: 1
Optional: Yes
Call by Reference: No ( called with pass by value option)

TOP_LEVEL - Top level of structure

Data type: STRUC-LEVEL
Default: 1
Optional: Yes
Call by Reference: No ( called with pass by value option)

EXCEPTIONS details

INVALID_LEVEL - Invalid level

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

INVALID_OFFSET - Invalid indentation

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

INVALID_POSITION - Invalid output line item

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

Copy and paste ABAP code example for RH_INIT_TREE 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 RH_INIT_TREE

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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