FRMLS_KEYPATH 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: Formula 'Key' Path for Function Module Call" 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_KEYPATH TYPE FRMLS_KEYPATH.
The FRMLS_KEYPATH table consists of various fields, each holding specific information or linking keys about RMS-FRM: Formula 'Key' Path for Function Module Call data available in SAP. These include RECN_STRUCT (RMS-FRM: Object Identifier), SUBID (Substance), SUBCAT (Specification Type), SUBNAM (Description of Specification 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. .