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)); }