UnityEngine.Analytics.UnityAnalyticsHandler.SetUserId C# (CSharp) Method

        public extern AnalyticsResult SetUserId(string userId);
        [MethodImpl(MethodImplOptions.InternalCall)]

        public static AnalyticsResult SetUserId(string userId)
        {
            if (string.IsNullOrEmpty(userId))
            {
                throw new ArgumentException("Cannot set userId to an empty or null string");
            }
            UnityAnalyticsHandler unityAnalyticsHandler = GetUnityAnalyticsHandler();

            if (unityAnalyticsHandler == null)
            {
                return(AnalyticsResult.NotInitialized);
            }
            return(unityAnalyticsHandler.SetUserId(userId));
        }