BAPI_STR_BUPA_FS_EXTDATA 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 "Business Partner: Additional Data and Update Indicator" 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_STR_BUPA_FS_EXTDATA TYPE BAPI_STR_BUPA_FS_EXTDATA.
The BAPI_STR_BUPA_FS_EXTDATA table consists of various fields, each holding specific information or linking keys about Business Partner: Additional Data and Update Indicator data available in SAP. These include PARTNER (Business Partner Number), GRP_TYP (Group Category), GRP (Group Key), FRT (User-Defined Text)... 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. .