[Home](./index.md) > [@digitalpersona/devices](./devices.md) > [WindowsAuthClient](./devices.windowsauthclient.md) > [onCommunicationFailed](./devices.windowsauthclient.oncommunicationfailed.md) ## WindowsAuthClient.onCommunicationFailed property A uni-cast event handler for the [CommunicationFailed](./devices.communicationfailed.md) event. Signature: ```typescript onCommunicationFailed: Handler; ```