Rounded Corners
Shader effect.
Add the RoundedCorners or RoundedCornersX4 (each corner can have its radius) component to the game object with the Graphic component.
Note
The Mask component should be placed before this component.
Options
Radius
float(BorderRadiusin case ofRoundedCornersX4)Corners radius.
Border Width
floatBorder width (cannot be more than Radius).
Border Color
ColorColor of the border.