BAPI_0051_ITEM_SET 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 "Total line for Budget Data - Method Change" 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_BAPI_0051_ITEM_SET TYPE BAPI_0051_ITEM_SET.
The BAPI_0051_ITEM_SET table consists of various fields, each holding specific information or linking keys about Total line for Budget Data - Method Change data available in SAP. These include TRANS_CURR (Transaction Currency), TRANS_CURR_ISO (ISO currency code), FUND (Fund), FUNDS_CTR (Funds Center)... 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. .