Index: firmware/App/Services/Reservoirs.h
===================================================================
diff -u -r92a0a399021a2d120155b0a779855893284b8cbb -rdcd360fb4dc37db2dcbeb7fb14fb327fe68235f4
--- firmware/App/Services/Reservoirs.h	(.../Reservoirs.h)	(revision 92a0a399021a2d120155b0a779855893284b8cbb)
+++ firmware/App/Services/Reservoirs.h	(.../Reservoirs.h)	(revision dcd360fb4dc37db2dcbeb7fb14fb327fe68235f4)
@@ -1,17 +1,17 @@
 /**************************************************************************
 *
-* Copyright (c) 2019-2020 Diality Inc. - All Rights Reserved.
+* Copyright (c) 2019-2021 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.
 *
-* @file Reservoirs.h
+* @file    Reservoirs.h
 *
-* @author (last) Quang Nguyen
-* @date (last) 25-Aug-2020
+* @author  (last)      Dara Navaei
+* @date    (last)      01-Nov-2021
 *
-* @author (original) Sean
-* @date (original) 18-Mar-2020
+* @author  (original)  Sean
+* @date    (original)  18-Mar-2020
 *
 ***************************************************************************/
 
@@ -46,9 +46,10 @@
 /// Drain command data structure.
 typedef struct
 {
-    U32 targetVolume;           ///< Target volume to drain to (in mL)
-    BOOL tareLoadCell;          ///< Flag to tare load call
-    BOOL rinseConcentrateLines; ///< Flag indicates to rinse concentrate lines or not
+    U32 targetVolume;               ///< Target volume to drain to (in mL)
+    BOOL tareLoadCell;              ///< Flag to tare load call
+    BOOL rinseConcentrateLines;     ///< Flag indicates to rinse concentrate lines or not
+    U32 cmd;                        ///< General command (start/stop)
 } DRAIN_CMD_T;
 
 /// DG command response data record.