BBP_USER_BSA_KEYS 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 "User-Specific: Permitted Document Types, Texts" 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_BBP_USER_BSA_KEYS TYPE BBP_USER_BSA_KEYS.
The BBP_USER_BSA_KEYS table consists of various fields, each holding specific information or linking keys about User-Specific: Permitted Document Types, Texts data available in SAP. These include DOC_TYPE (Document Type), DOC_TYPE_TEXT (Text (20 Characters))... 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. .