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.  

Push Notifications are not supported in Moderato edition.

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

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

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