SAP STREE_STRUCTURE_READ_TOP_NODE Function Module for Read the highest node of a structure

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STREE_STRUCTURE_READ_TOP_NODE is a standard stree structure read top node SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for Read the highest node of a structure 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 stree structure read top node FM, simply by entering the name STREE_STRUCTURE_READ_TOP_NODE into the relevant SAP transaction such as SE37 or SE38.

Function Group: SHI1
Program Name: SAPLSHI1
Main Program: SAPLSHI1
Appliation area: S
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function STREE_STRUCTURE_READ_TOP_NODE 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 'STREE_STRUCTURE_READ_TOP_NODE'"Read the highest node of a structure
  EXPORTING
   STRUCTURE_ID =  "
*  FILTER_ID = ' ' "
*  DISPLAY_MODE = 'D' "

 IMPORTING
   MESSAGE =  "
   PARENT_NODE =  "

TABLES
   STRUCTURE_TOP_LINE =  "
*  USER_PARAMETERS =  "

.

IMPORTING Parameters details for STREE_STRUCTURE_READ_TOP_NODE

STRUCTURE_ID -

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

FILTER_ID -

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

DISPLAY_MODE -

Data type: HIER_TYPES-CHAR1
Default: 'D'
Optional: Yes
Call by Reference: No ( called with pass by value option)

EXPORTING Parameters details for STREE_STRUCTURE_READ_TOP_NODE

MESSAGE -

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

PARENT_NODE -

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

TABLES Parameters details for STREE_STRUCTURE_READ_TOP_NODE

STRUCTURE_TOP_LINE -

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

USER_PARAMETERS -

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

Copy and paste ABAP code example for STREE_STRUCTURE_READ_TOP_NODE 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 STREE_STRUCTURE_READ_TOP_NODE

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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