diff --git a/src/PepperDash.Essentials.Core/DeviceTypeInterfaces/IMobileControl.cs b/src/PepperDash.Essentials.Core/DeviceTypeInterfaces/IMobileControl.cs
index b408b0f9..3693155a 100644
--- a/src/PepperDash.Essentials.Core/DeviceTypeInterfaces/IMobileControl.cs
+++ b/src/PepperDash.Essentials.Core/DeviceTypeInterfaces/IMobileControl.cs
@@ -33,6 +33,8 @@ namespace PepperDash.Essentials.Core.DeviceTypeInterfaces
 
         string SystemUuid { get; }
 
+        bool ApiOnlineAndAuthorized { get; }
+
         void SendMessageObject(IMobileControlMessage o);
 
         void AddAction(string key, Action<string, JToken> action);