Look inside the project to see how to use it. X: X-coordinate (centers in the middle). Y: Y-coordinate (centers in the middle). Length: Length of the slider. Thumb length: Length of the indicator. Minimum: Minimum slider value. Maximum: Maximum slider value. Initial value: Initial slider value. Vertical/Horizontal: Makes either a vertical or horizontal slider. Scroll wheel (1 or 0): Check whether or not you want the slider to be controlled by the scroll wheel.