RFVD_LOG_ADD_FIELDS 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 "CL_FVD_LOG: Structure for Addnl Fields in Log Field Catalog" 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_RFVD_LOG_ADD_FIELDS TYPE RFVD_LOG_ADD_FIELDS.
The RFVD_LOG_ADD_FIELDS table consists of various fields, each holding specific information or linking keys about CL_FVD_LOG: Structure for Addnl Fields in Log Field Catalog data available in SAP. These include TABLENAME (ALV control: Reference table name for internal table field)... 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. .