once
external fun <T> once(event: EventName, handler: EventCallback<T>, options: Options = definedExternally): ERROR CLASS: Symbol not found for js.promise.Promise<{tauri/apps/api/UnlistenFn=} kotlin/Function0<kotlin/Unit>>(source)
Listens once to an emitted event to any {@link EventTarget|target}.
Since
1.0.0
Parameters
event
Event name. Must include only alphanumeric characters, -, /, : and _.
handler
Event handler callback.
options
Event listening options.