diff --git a/src/LrcModelsSProtocol.h b/src/LrcModelsSProtocol.h
new file mode 100644
index 0000000..30990d6
--- /dev/null
+++ b/src/LrcModelsSProtocol.h
@@ -0,0 +1,29 @@
+/*
+*  This program is free software; you can redistribute it and/or modify
+*  it under the terms of the GNU General Public License as published by
+*  the Free Software Foundation; either version 3 of the License, or
+*  (at your option) any later version.
+*
+*  This program is distributed in the hope that it will be useful,
+*  but WITHOUT ANY WARRANTY; without even the implied warranty of
+*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+*  GNU General Public License for more details.
+*
+*  You should have received a copy of the GNU General Public License
+*  along with this program; if not, write to the Free Software
+*  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.
+*/
+
+namespace lrc {
+    namespace api {
+        class DataTransferModel;
+    }
+}
+
+@protocol LrcModelsSProtocol
+
+-(id) initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil model:(lrc::api::DataTransferModel*) dataTransferModel;
+
+@property lrc::api::DataTransferModel* dataTransferModel;
+
+@end