Use properties and attributes to control the web component as well as pass required data to it. Some properties won't have an attribute name, this is because to use that property you can't use it as an html attribute it must be set using javascript as a property of the element.
Property
Attribute
Description
Type
Default
isOpen
open
Controls the open state of the dropdown
boolean
false
Events
Event
Description
Type
dkClearAllFilters
This Event is fired when all filters should be removed.
any
dkClearFilter
This event is fired when an option has been clicked and that filter should be removed.