BAPI_TS_IND_APPROVAL 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 "BAPI ADD/CHANGE: Indiv. Approval Fields f. Approval of Phase" 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_BAPI_TS_IND_APPROVAL TYPE BAPI_TS_IND_APPROVAL.
The BAPI_TS_IND_APPROVAL table consists of various fields, each holding specific information or linking keys about BAPI ADD/CHANGE: Indiv. Approval Fields f. Approval of Phase data available in SAP. These include DECIDER_GUID (GUID for Decision Maker (Approval) in BAPI Interface)... 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. .