Ways of invoking and receiving a Trigger in a widget

1-ourTriggerInYourWidget.js

// in your widget
// call the callback event named 'hover'  the client code
this._trigger( "hover", 
    // send e as the original event back as part of the callback
    e /* e.type == "mouseenter" */, { 
    // return  the uiObject e.Target in the hovered parameter of the event
    // you could also respond with data that the user might need
    hovered: $( e.target )
});

2-severalWaysForReceivingATrigger.js

// The user can subscribe using an option during initalization
$( "#elem" ).filterable({ 
    hover: function( event, ui ) {
        // your response goes here
    } 
});

// Or with traditional event binding/delegation
$( "#elem" ).bind( "filterablehover" , function( event, ui ) {
    // your response goes here
});