Called by Lightstreamer Kernel to check that a User is enabled to change the token of a MPN device. In this default implementation, the Metadata Adapter poses no restriction.  

Edition Note: Push Notifications is an optional feature, available depending on Edition and License Type. To know what features are enabled by your license, please see the License tab of the Monitoring Dashboard (by default, available at /dashboard). 

public: void NotifyMpnDeviceTokenChange(string user, string sessionID, MpnDeviceInfo device, string newDeviceToken);

public virtual void NotifyMpnDeviceTokenChange(string user, string sessionID, MpnDeviceInfo device, string newDeviceToken);

Public virtual Function NotifyMpnDeviceTokenChange(user As string, sessionID As string, device As MpnDeviceInfo, newDeviceToken As string) As void