FRMLS_STREAM_USED 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-FRM: Indicates Whether Stream Is Used as Input" 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_FRMLS_STREAM_USED TYPE FRMLS_STREAM_USED.
The FRMLS_STREAM_USED table consists of various fields, each holding specific information or linking keys about RMS-FRM: Indicates Whether Stream Is Used as Input data available in SAP. These include FLG_USED (Stream Is Used as Input)... 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. .