InputSelect
InputSelect[{expr1_ -> name1_String, expr2_ -> name2_String}, defaultExpr_] _EventObject
represents a select field with different choices
or
InputSelect[{val1_, val2_}, defaultval_] _EventObject
is also valid
Event generation
Emits corresponding expr based on user's choice.
Options
"Label"
Adds a label
"Topic"
Specifies which topic or pattern of an event is used
Chaining events
One can reuse another event
InputSelect[event_EventObject, rest__]