BUS_EI_EXTERN 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 "Complex External Interface of a Business Partner" 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_BUS_EI_EXTERN TYPE BUS_EI_EXTERN.
The BUS_EI_EXTERN table consists of various fields, each holding specific information or linking keys about Complex External Interface of a Business Partner data available in SAP. These include OBJECT (External Interface: Object Category), OBJECT_INSTANCE (), BPARTNER (Business Partner Number), BPARTNERGUID (GUID of a Business Partner in CHAR 32 Format for BAPIs)... 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. .
