/// <summary> /// Subscribes to a push request. /// </summary> /// <param name="pushRequestSubscriptionManager">Push request subscription manager</param> /// <param name="user">User.</param> /// <param name="pushRequestName">Name of the push request.</param> /// <param name="entityIdentifier">entity identifier</param> public static void Subscribe(this IPushRequestSubscriptionManager pushRequestSubscriptionManager, IUserIdentifier user, string pushRequestName, EntityIdentifier entityIdentifier = null) { AsyncHelper.RunSync(() => pushRequestSubscriptionManager.SubscribeAsync(user, pushRequestName, entityIdentifier)); }