Index: DDDefs.h
===================================================================
diff -u -r58634d072faa47e5291179e1e12bb807f24b8fe2 -r4d8b38b6ed6a974697ab32a91db75bdb618edcdc
--- DDDefs.h	(.../DDDefs.h)	(revision 58634d072faa47e5291179e1e12bb807f24b8fe2)
+++ DDDefs.h	(.../DDDefs.h)	(revision 4d8b38b6ed6a974697ab32a91db75bdb618edcdc)
@@ -373,4 +373,20 @@
 
 /**@}*/
 
+/**
+ *  @addtogroup Ultrafilteraion
+ *  @{
+ */
+
+/// Enumeration of ultra filteration exec states.
+enum Ultra_filteration_Exec_States
+{
+    DD_UF_PAUSED = 0,                               ///< Ultrafilteration pasued state
+    DD_UF_RUNNING,                                  ///< Ultrafilteration running state
+    NUM_OF_UF_EXEC_STATES                           ///< Number of ultrafilteration exec states
+};
+typedef enum Ultra_filteration_Exec_States UF_EXEC_STATE_T;  ///< Type for ultrafilteration exec state enumeration
+
+/**@}*/
+
 #endif