I implement the Connect() method on IConnected interface to add new connections to the correct groups. This works well except for one thing: in order to add the user to the correct group, I need to send a value to be read in this method. I tried adding property to the client hub:

var uIHub = $.connection.uIHub;
uIHub.SessionType = "Edit";

But it's not accessible from the Connect method: 

if (string.IsNullOrEmpty(Caller.SessionType) || Caller.SessionType == "Edit") {
     sessionId = WAFContext.EditSession.SessionId.ToString();                
} else {
     sessionId = WAFContext.ViewSession.SessionId.ToString();
}
Groups.Add(Context.ConnectionId, sessionId);

Caller.SessionType is always null.

Any suggestions on how to solve this?

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