diff --git a/examples/tips/subscriber.h b/examples/tips/subscriber.h
index e0491ff..38345c0 100644
--- a/examples/tips/subscriber.h
+++ b/examples/tips/subscriber.h
@@ -53,6 +53,8 @@
 
   Status GetSubscription(const grpc::string& name, grpc::string* topic);
 
+  Status Pull(const grpc::string& name, grpc::string* data);
+
  private:
   std::unique_ptr<tech::pubsub::SubscriberService::Stub> stub_;
 };