DPR_TS_UI_GANTT_TREE_DATA is a standard SAP Structure so does not store data like a database table does. It can be used to define the fields of other actual tables or to process "Tree for Gantt Chart: Project Element Data" Information within sap ABAP programs. This is done by declaring abap internal tables, work areas or database tables based on this Structure. These can then be used to store and process the required data appropriately. i.e. DATA: wa_DPR_TS_UI_GANTT_TREE_DATA TYPE DPR_TS_UI_GANTT_TREE_DATA.
The DPR_TS_UI_GANTT_TREE_DATA table consists of various fields, each holding specific information or linking keys about Tree for Gantt Chart: Project Element Data data available in SAP. These include LEVEL (Stage in Project Management Structure), OBJECT_TYPE (Object Category in Project Planning), GUID (Unique Object Key (CHAR32)), EXPLANATION (General Explanation (such as ID or Short Text) of an Object)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .