• gui:orientation
• gui:show-labels

gui:orientation [property:property] (optional.)

If this property contains the text "vertical", then the slider will be vertically displayed. If "horizontal", thet the slider will be horizontal. (Datatype should be "text/plain". Default is "vertical")

gui:show-labels [property:property] (optional.)

If "yes", then maximum, minimum, and possibly some other information, will be displayed on the slider. (Datatype should be "text/x-yes-no", Default is "yes".)

this type defines no new messages.