struct IConsoleVarSink {
};

IConsole.h

Callback class to derive from when you want to receive callbacks when console var changes.

virtual ~IConsoleVarSink();

virtual void OnAfterVarChange(ICVar * pVar) = 0;

Called by Console after variable has changed value

virtual bool OnBeforeVarChange(ICVar * pVar, const char * sNewValue) = 0;

true if ok to change value, false if should not change value.

Called by Console before changing console var value, to validate if var can be changed.