LBBIL_IT_CUSTDATA 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 "Customer Modification Part for Selecting Invoice Item" 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_LBBIL_IT_CUSTDATA TYPE LBBIL_IT_CUSTDATA.
The LBBIL_IT_CUSTDATA table consists of various fields, each holding specific information or linking keys about Customer Modification Part for Selecting Invoice Item data available in SAP. These include DUMMY (Dummy function in length 1)... 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. .