Called by Lightstreamer Kernel to check that a User is enabled to activate a Push Notification subscription. In this default implementation, the Metadata Adapter poses no restriction.  

Push Notifications are not supported in Moderato edition.

public: void NotifyMpnSubscriptionActivation(string user, string sessionID, TableInfo table, MpnSubscriptionInfo mpnSubscription);

public virtual void NotifyMpnSubscriptionActivation(string user, string sessionID, TableInfo table, MpnSubscriptionInfo mpnSubscription);

Public virtual Function NotifyMpnSubscriptionActivation(user As string, sessionID As string, table As TableInfo, mpnSubscription As MpnSubscriptionInfo) As void