UnityEngine.Camera.INTERNAL_CALL_ViewportPointToRay C# (CSharp) Method

        private static extern void INTERNAL_CALL_ViewportPointToRay(Camera self, ref Vector3 position, out Ray value);
        [MethodImpl(MethodImplOptions.InternalCall)]

        /// <summary>
        ///   <para>Returns a ray going from camera through a viewport point.</para>
        /// </summary>
        /// <param name="position"></param>
        public Ray ViewportPointToRay(Vector3 position)
        {
            Ray ray;

            Camera.INTERNAL_CALL_ViewportPointToRay(this, ref position, out ray);
            return(ray);
        }