FMLI_S_DRILLDOWN 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 "Structure to search line items documents based on line data" 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_FMLI_S_DRILLDOWN TYPE FMLI_S_DRILLDOWN.
The FMLI_S_DRILLDOWN table consists of various fields, each holding specific information or linking keys about Structure to search line items documents based on line data data available in SAP. These include RYEAR (Fiscal Year), DOCNR (Accounting Document Number), DOCLN (Six-Character Posting Item for Ledger), RLDNR (Ledger)... 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. .