Index: DGDefs.h
===================================================================
diff -u -r89ec2be6dcc200cec1a58e7c3672b727429eba35 -rd7edd2bf8e2f51d5afdf2499cc44d25cd35b81e5
--- DGDefs.h	(.../DGDefs.h)	(revision 89ec2be6dcc200cec1a58e7c3672b727429eba35)
+++ DGDefs.h	(.../DGDefs.h)	(revision d7edd2bf8e2f51d5afdf2499cc44d25cd35b81e5)
@@ -1,6 +1,6 @@
 /**************************************************************************
 *
-* Copyright (c) 2020-2022 Diality Inc. - All Rights Reserved.
+* Copyright (c) 2020-2023 Diality Inc. - All Rights Reserved.
 *
 * THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
 * WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
@@ -425,18 +425,19 @@
 /// Enumeration of chemical disinfect flush mode states.
 enum DG_Chem_Flush_States
 {
-    DG_CHEM_DISINFECT_FLUSH_STATE_START = 0,                    ///< Chemical disinfect, start state
-    DG_CHEM_DISINFECT_FLUSH_STATE_DRAIN_R1,                     ///< Chemical disinfect flush, drain R1 state
-    DG_CHEM_DISINFECT_FLUSH_STATE_DRAIN_R2,                     ///< Chemical disinfect flush, drain R2 state
-    DG_CHEM_DISINFECT_FLUSH_STATE_FLUSH_DRAIN,                  ///< Chemical disinfect flush, flush drain state
-    DG_CHEM_DISINFECT_FLUSH_STATE_FLUSH_DISINFECTANT_LINE,      ///< Chemical disinfect flush, flush disinfectant line state
-    DG_CHEM_DISINFECT_FLUSH_STATE_FLUSH_UF,                     ///< Chemical disinfect flush, flush UF state
-    DG_CHEM_DISINFECT_FLUSH_STATE_FLUSH_R2_TO_R1_DRAIN_R1,      ///< Chemical disinfect flush, flush R2 to R1 drain R1 state
-    DG_CHEM_DISINFECT_FLUSH_STATE_FLUSH_R1_TO_R2_DRAIN_R2,      ///< Chemical disinfect flush, flush R1 to R2 drain R2 state
-    DG_CHEM_DISINFECT_FLUSH_STATE_CANCEL_BASIC_PATH,            ///< Chemical disinfect flush, cancel basic path state
-    DG_CHEM_DISINFECT_FLUSH_STATE_CANCEL_WATER_PATH,            ///< Chemical disinfect flush, cancel water path state
-    DG_CHEM_DISINFECT_FLUSH_STATE_COMPLETE,                     ///< Chemical disinfect flush, complete state
-    NUM_OF_DG_CHEM_DISINFECT_FLUSH_STATES                       ///< Number of chemical disinfect flush mode states    
+    DG_CHEM_DISINFECT_FLUSH_STATE_START = 0,                         ///< Chemical disinfect flush, start state
+    DG_CHEM_DISINFECT_FLUSH_STATE_DRAIN_R1,                          ///< Chemical disinfect flush, drain R1 state
+    DG_CHEM_DISINFECT_FLUSH_STATE_DRAIN_R2,                          ///< Chemical disinfect flush, drain R2 state
+    DG_CHEM_DISINFECT_FLUSH_STATE_FLUSH_DRAIN,                       ///< Chemical disinfect flush, flush drain state
+    DG_CHEM_DISINFECT_FLUSH_STATE_FLUSH_DISINFECTANT_LINE,           ///< Chemical disinfect flush, flush disinfectant line state
+    DG_CHEM_DISINFECT_FLUSH_STATE_FLUSH_UF,                          ///< Chemical disinfect flush, flush UF state
+    DG_CHEM_DISINFECT_FLUSH_STATE_FLUSH_R2_TO_R1_DRAIN_R1,           ///< Chemical disinfect flush, flush R2 to R1 drain R1 state
+    DG_CHEM_DISINFECT_FLUSH_STATE_FLUSH_R1_TO_R2_DRAIN_R2,           ///< Chemical disinfect flush, flush R1 to R2 drain R2 state
+    DG_CHEM_DISINFECT_FLUSH_STATE_SAMPLE_FLUSH_R1_TO_R2_DRAIN_R2,    ///< Chemical disinfect flush, sample flush R1 to R2 drain R2 state
+    DG_CHEM_DISINFECT_FLUSH_STATE_CANCEL_BASIC_PATH,                 ///< Chemical disinfect flush, cancel basic path state
+    DG_CHEM_DISINFECT_FLUSH_STATE_CANCEL_WATER_PATH,                 ///< Chemical disinfect flush, cancel water path state
+    DG_CHEM_DISINFECT_FLUSH_STATE_COMPLETE,                          ///< Chemical disinfect flush, complete state
+    NUM_OF_DG_CHEM_DISINFECT_FLUSH_STATES                            ///< Number of chemical disinfect flush mode states
 };
 typedef enum DG_Chem_Flush_States DG_CHEM_DISINFECT_FLUSH_STATE_T;    ///< Type for DG chemical disinfect flush states enumeration