Function that represents the action to be performed on the click of the button.
Optional color value for this button. If no value is specified, the color will be chosen from the theme.
Path to an icon that this button will display.
Optional label to be displayed on the button.
Optional opacity for the button. Accepts a value between 0 and 1, were 0 is transparent and 1 is opaque.
Optional value for the shape of the button.
Interface to describe parameters that are used to construct a custom button for the On-Screen Menu.