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diff --git a/utils/common/ISQLDBReplyTarget.h b/utils/common/ISQLDBReplyTarget.h
new file mode 100644
index 0000000..9049a5c
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+++ b/utils/common/ISQLDBReplyTarget.h
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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef ISQLDLREPLYTARGET_H
+#define ISQLDLREPLYTARGET_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+//-----------------------------------------------------------------------------
+// Purpose: Interface to handle results of SQL queries
+//-----------------------------------------------------------------------------
+class ISQLDBReplyTarget
+{
+public:
+	// handles a response from the database
+	virtual void SQLDBResponse(int cmdID, int returnState, int returnVal, void *data) = 0;
+
+	// called from a seperate thread; tells the reply target that a message is waiting for it
+	virtual void WakeUp() = 0;
+
+};
+
+
+#endif // ISQLDLREPLYTARGET_H