RCPS_RCP_CUST 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 "RMS - RCP: Key Customizing Options for RCP" 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_RCPS_RCP_CUST TYPE RCPS_RCP_CUST.
The RCPS_RCP_CUST table consists of various fields, each holding specific information or linking keys about RMS - RCP: Key Customizing Options for RCP data available in SAP. These include CHANGES_ALLOWED (Permissibility of Change Master Record Usage), PNGUID (Internal Number of iPPE Node)... 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. .