EHSBS_F4_REFTAB 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 "F4 Search Help for Reference Substance" 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_EHSBS_F4_REFTAB TYPE EHSBS_F4_REFTAB.
The EHSBS_F4_REFTAB table consists of various fields, each holding specific information or linking keys about F4 Search Help for Reference Substance data available in SAP. These include SUBID (Specification)... 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. .