SAP UPX_EXEC_BUILD_TREE Function Module for to convert item table to the tree
UPX_EXEC_BUILD_TREE is a standard upx exec build tree SAP function module available within SAP R/3 or S/4 Hana systems, depending on your version and release level. It is used for to convert item table to the tree 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 upx exec build tree FM, simply by entering the name UPX_EXEC_BUILD_TREE into the relevant SAP transaction such as SE37 or SE38.
Function Group: UPX_EXECUTE
Program Name: SAPLUPX_EXECUTE
Main Program: SAPLUPX_EXECUTE
Appliation area:
Release date: N/A
Mode(Normal, Remote etc): Normal Function Module
Update:

Function UPX_EXEC_BUILD_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 'UPX_EXEC_BUILD_TREE'"to convert item table to the tree.
TABLES
IT_ITEM = "UPX: LaunchPad Item for External API
XT_CHANM = "Sorted Characteristics
ET_TREE = "UPX: structure for navigation tree
ET_NODE = "Connector of Nodes and Items Within the LaunchPad
TABLES Parameters details for UPX_EXEC_BUILD_TREE
IT_ITEM - UPX: LaunchPad Item for External API
Data type: UPX_API_YS_ITEMOptional: No
Call by Reference: Yes
XT_CHANM - Sorted Characteristics
Data type: UPX_YS_SORT_CHANMOptional: No
Call by Reference: Yes
ET_TREE - UPX: structure for navigation tree
Data type: UPX_YS_LAUNCHPADTREEOptional: No
Call by Reference: Yes
ET_NODE - Connector of Nodes and Items Within the LaunchPad
Data type: UPX_YS_ITEM_NODEOptional: No
Call by Reference: Yes
Copy and paste ABAP code example for UPX_EXEC_BUILD_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.| DATA: | ||||
| lt_it_item | TYPE STANDARD TABLE OF UPX_API_YS_ITEM, " | |||
| lt_xt_chanm | TYPE STANDARD TABLE OF UPX_YS_SORT_CHANM, " | |||
| lt_et_tree | TYPE STANDARD TABLE OF UPX_YS_LAUNCHPADTREE, " | |||
| lt_et_node | TYPE STANDARD TABLE OF UPX_YS_ITEM_NODE. " |
|   CALL FUNCTION 'UPX_EXEC_BUILD_TREE' "to convert item table to the tree |
| TABLES | ||
| IT_ITEM | = lt_it_item | |
| XT_CHANM | = lt_xt_chanm | |
| ET_TREE | = lt_et_tree | |
| ET_NODE | = lt_et_node | |
| . " UPX_EXEC_BUILD_TREE | ||
ABAP code using 7.40 inline data declarations to call FM UPX_EXEC_BUILD_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.Search for further information about these or an SAP related objects