TRACE_CALLBACK_DATA_S is an SAP Structure so does not store data like a database table does but can be used to process "Callback Data for Trace" 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_TRACE_CALLBACK_DATA_S TYPE TRACE_CALLBACK_DATA_S .
Below is the documentation avaialable and full details of the fields which make up this Structure.
|Data Type||length (Decimals)||Check table||Description||Conversion Routine|
|ABAP Program: Current Main Program|