BBPS_PDC_UI_EXT_ITS 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 "External Screen Objects in SRM Applications" 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_BBPS_PDC_UI_EXT_ITS TYPE BBPS_PDC_UI_EXT_ITS.
The BBPS_PDC_UI_EXT_ITS table consists of various fields, each holding specific information or linking keys about External Screen Objects in SRM Applications data available in SAP. These include SOLUTION_TYPE (Key Field Type), SOLUTION_KEY (Solution Key), EXT_TYPE (Extension Type Values), PREDECESSOR (Field name)... 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. .