/// <summary>
/// Checks if a user subscribed for 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 bool IsSubscribed(this IPushRequestSubscriptionManager pushRequestSubscriptionManager, IUserIdentifier user, string pushRequestName, EntityIdentifier entityIdentifier = null)
{
return(AsyncHelper.RunSync(() => pushRequestSubscriptionManager.IsSubscribedAsync(user, pushRequestName, entityIdentifier)));
}
