Optional attributesOptional cssOptional CSS class(es) to add to the overlay's element.
Optional direction1 to point forwards (the default), -1 to point backwards.
Optional eventsOptional event handlers to attach to the overlay.
Optional event: anyOptional foldbackHow far, as a decimal, along the line from head to baseline to fold back into. Defaults to 0.623.
Optional idOptional ID for the overlay. Can be used to retrieve the overlay from a connection.
Optional lengthLength from the head to the baseline. Defaults to 20.
Optional locationDefaults to 0.5. See docs.
Optional paintOptional paint style to use for the arrow.
Optional widthWidth of the arrow's baseline. Defaults to 20.
Optional custom attributes to write to the overlay's element.