Called by Lightstreamer Kernel to check that a User is enabled to access the specified 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 NotifyMpnDeviceAccess(string user, string sessionID, MpnDeviceInfo device);

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

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