RCPS_IDL_STAGE_DOCUMENT 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 "Document Assignment to Stage" 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_IDL_STAGE_DOCUMENT TYPE RCPS_IDL_STAGE_DOCUMENT.
The RCPS_IDL_STAGE_DOCUMENT table consists of various fields, each holding specific information or linking keys about Document Assignment to Stage data available in SAP. These include DOKNR (Document number), DOKVR (Document Version), DOKTL (Document Part), DEL_FLG (Object to Be Deleted in Initial Data Load for Recipes)... 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. .