Hides the label. It is currently not possible to hide the label for this weblet so that it is still accessible to assistive technologies (as the hideLabel property will do on other weblets) so setting this property to true is the same as setting the label property to a blank value. This property exists for consistency with other weblets and so that, should future browsers make it possible to hide the label accessibly, that will automatically happen without you needing to change anything.
False - the label is not hidden.
True, False, or any valid XPath expression that returns a boolean value.