diff -r e1b950c65cb4 -r 837f303aceeb epoc32/include/app/calinstance.h
--- a/epoc32/include/app/calinstance.h	Wed Mar 31 12:27:01 2010 +0100
+++ b/epoc32/include/app/calinstance.h	Wed Mar 31 12:33:34 2010 +0100
@@ -1,9 +1,9 @@
 // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
 // All rights reserved.
 // This component and the accompanying materials are made available
-// under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
+// under the terms of "Eclipse Public License v1.0"
 // which accompanies this distribution, and is available
-// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
 //
 // Initial Contributors:
 // Nokia Corporation - initial contribution.
@@ -17,10 +17,26 @@
 #define __CALINSTANCE_H__
 
 #include <caltime.h>
+#include <calcommon.h>
 
 class CCalEntry;
 class CCalInstanceImpl;
 
+/** Instance ID to identify an instance uniquely
+
+@publishedAll
+@released
+ */
+struct TCalInstanceId
+	{
+	/* Entry Local ID */
+	TCalLocalUid		iEntryLocalId;
+	/* Instance time */
+	TCalTime 	 		iInstanceTime;
+	/* Collection Id that the instance belongs to */
+	TCalCollectionId 	iCollectionId;	
+	};
+
 /** Class representing an instance of a calendar entry.
 
 A calendar entry (CCalEntry) can have any number of instances. 
@@ -42,6 +58,7 @@
 	IMPORT_C TCalTime Time() const;
 	IMPORT_C TCalTime StartTimeL() const;
 	IMPORT_C TCalTime EndTimeL() const;
+	IMPORT_C TCalInstanceId InstanceIdL() const;
 
 private:
 	CCalInstance();