BAPI6100FLS 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 "Fields - Short transfer structure" 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_BAPI6100FLS TYPE BAPI6100FLS.
The BAPI6100FLS table consists of various fields, each holding specific information or linking keys about Fields - Short transfer structure data available in SAP. These include INFOOBJECT (InfoObject)... 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. .