FMPPS_EF_KBLP 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 "Document Item: Document Entry" 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_FMPPS_EF_KBLP TYPE FMPPS_EF_KBLP.
The FMPPS_EF_KBLP table consists of various fields, each holding specific information or linking keys about Document Item: Document Entry data available in SAP. These include BELNR (Document Number for Earmarked Funds), BLPOS (Earmarked Funds: Document Item), VRGNG (Business Transaction), ERFAS (Created by)... 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. .