Width of border (optional). Default is 6.
radius of button corners (optional). Default is 20. 0 is no corner.
Tint color to apply when button is disabled (optional). Default is no tint (0xFFFFFF)).
Down state (optional). This defines what the button will look like in its down state.
Tint color to apply when button is in the down state (optional). Default is no tint (0xFFFFFF)).
Tint button when it is in the down state (optional). Default is false.
Button label/text (optional)
Parent of button (optional). Default is game world.
Type of button (optional). Default is "default"
Up state. This defines what the button will look like in its up state
Define flex button properties