1 files changed, 5 insertions, 0 deletions
diff --git a/src/uscxml/plugins/Invoker.h b/src/uscxml/plugins/Invoker.h
index c967331..4a142e4 100644
--- a/src/uscxml/plugins/Invoker.h
+++ b/src/uscxml/plugins/Invoker.h
@@ -33,6 +33,7 @@ class USCXML_API InvokerImpl : public EventHandlerImpl {
 public:
 	virtual ~InvokerImpl() {}
 	virtual void invoke(const InvokeRequest& req) = 0;
+	virtual void uninvoke() {}
 	virtual boost::shared_ptr<InvokerImpl> create(InterpreterImpl* interpreter) = 0;
 };
 
@@ -65,6 +66,10 @@ public:
 		_impl->invoke(req);
 	}
 
+	virtual void uninvoke()     {
+		_impl->uninvoke();
+	}
+
 protected:
 	boost::shared_ptr<InvokerImpl> _impl;
 };