OptionalattributesOptional custom attributes to write to the overlay's element.
OptionalcssOptional CSS class(es) to add to the overlay's element.
OptionaleventsOptional event handlers to attach to the overlay.
OptionalidOptional ID for the overlay. Can be used to retrieve the overlay from a connection.
OptionallocationDefaults to 0.5. See docs.
OptionalvisibilityWhether the overlay is always visible, or only on hover. Defaults to OVERLAY_VISIBILITY_ALWAYS.
Base options for an overlay.