UPC_YS_API_FUNCTION 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 "Planning Function" 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_UPC_YS_API_FUNCTION TYPE UPC_YS_API_FUNCTION.
The UPC_YS_API_FUNCTION table consists of various fields, each holding specific information or linking keys about Planning Function data available in SAP. These include PLEVEL (Planning level), FUNCTION (Planning function), TEXT (Name of Planning Function)... 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. .