The position of the slider on the joystick.
<joystick>
The value runs from -1000 to 1000, with 0 representing the slider in the center position. This is a collection property with a maximum of 2 sliders.
The following displays the value of slider the joystick:
<page somepage>
position of slider 1 = <% joystick.slider.1 %>
</page>