Simplest way to implement dropdown menu with multiple checkboxes?

What’s the simplest way in webix to implement a dropdown menu with multiple checkboxes? I’m looking for something like this:

It looks like multiselect can do something very similar, but it seems to require displaying a textfield which I’d prefer not to have.

You need the checksuggest

http://docs.webix.com/desktop__suggest.html

http://webix.com/snippet/09326954

Thanks!