This figure shows the Event Type Repository Editor. It contains two areas: Event Type Definitions and Event Type Details. The Event Type Definitions are is a list of the event types currently defined in the selected EPN assembly file. One of the event types (StockTick) is selected. The Event Type Details area contains text field Type name with value StockTick and a radio button group containing two radio buttons: Properties defined declaratively (selected) and Properties defined in Java bean. Below the radio button group is a table with columns Name, Type, and 'char' Length. The table contains two rows: row 1 contains Name column value lastPrice, Type column value double, and 'char' Length column blank; row 2 contains Name column value symbol, Type column value char, and 'char' Length column blank. To the right of the table are two buttons: Add and Remove.