RCPS_SRC_PARA_PPA_HHH 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: Search Parameters - Process Parameters" 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_SRC_PARA_PPA_HHH TYPE RCPS_SRC_PARA_PPA_HHH.
The RCPS_SRC_PARA_PPA_HHH table consists of various fields, each holding specific information or linking keys about RMS-RCP: Search Parameters - Process Parameters data available in SAP. These include PROC_PARA_ESTCAT (Value Assignment Type)... 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. .