VBPA_OPT 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 "Optimization: Credit Account KNKLI Added to VBPA" 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_VBPA_OPT TYPE VBPA_OPT.
The VBPA_OPT table consists of various fields, each holding specific information or linking keys about Optimization: Credit Account KNKLI Added to VBPA data available in SAP. These include MANDT (Client), VBELN (Sales and Distribution Document Number), POSNR (Item number of the SD document), PARVW (Partner Function)... 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. .