Index: shared/scripts/configuration/strings.py
===================================================================
diff -u -r4600f283754a585a60993c0f3acbf631f8568364 -r4dac665c981c03c0fd16b20090c82e6031d6cba2
--- shared/scripts/configuration/strings.py	(.../strings.py)	(revision 4600f283754a585a60993c0f3acbf631f8568364)
+++ shared/scripts/configuration/strings.py	(.../strings.py)	(revision 4dac665c981c03c0fd16b20090c82e6031d6cba2)
@@ -1,5 +1,5 @@
-
 # -*- coding: utf-8 -*-
+
 ###########################################################################
 #
 # Copyright (c) 2019-2021 Diality Inc. - All Rights Reserved.
@@ -10,19 +10,16 @@
 # @file    strings.py
 #
 # @author  (last)      Joseph varghese
+# @author  (last)      LTTS
 # @date    (last)      18-Jan-2022
 #
 ############################################################################
 
+
 PRE_TREATMENT_SCREENS = ["Create" , "Sample" , "Consumables" , "Disposables" , "Prime" , "Ultrafiltration" , "BP/HR" , "Connection" , "Start"]
 POST_TREATMENT_SCREENS = ["Disconnection", "Review", "Disposables", "Disinfection"]  
-# @file    utils.py
-#
-# @author  (last)      Joseph varghese
-# @date    (last)      10-june-2022
-#
-############################################################################
 
+
 BLOOD_PRIMING_TEXT = "Blood Priming"
 SALINE_UNIT = "mL"
 BLOOD_PRIMING_DEFAULT_VALUE = "0 mL"
@@ -37,6 +34,20 @@
 LOW_TEXT = "LOW"
 HIGH_TEXT = "HIGH"
 
+
+#main-treatment heparin 
+HEPARIN_UNIT = "mL"
+HEPARIN_DELIVERY_TEXT = "HEPARIN DELIVERY"
+HEPARIN_DELIVERY_OFF_TEXT = "OFF"
+HEPARIN_STOP_TEXT = "Delivery Stopped"
+HEPARIN_RESUME_DELIVERY_TEXT = "RESUME DELIVERY"
+HEPARIN_BOLUS_ACTIVE_TEXT = "Bolus Active" 
+HEPARIN_BOLUS_DISPENSING_TEXT = "Dispensing Active"
+HEPARIN_PAUSE_DELIVERY_TEXT = "PAUSE DELIVERY"
+HEPARIN_MAXIMUM_VOLUME_DELIVERED_TEXT = "Maximum Cumulative Heparin Volume Delivered"
+HEPARIN_SYRINGE_EMPTY_TEXT = "Syringe Empty"
+
+
 # dictionary of rejection reason from application source code.
 # message location -> denali-> Headers-> common-> MsgDefs.h
 REJECTION_REASON = {
@@ -86,6 +97,7 @@
     43: "REQUEST_REJECT_REASON_SYRINGE_NOT_PRESENT",                     # Syringe is not present
     }
 
+
 ALARM_ID_AND_MESSAGES = {
     1:  "Stuck button POST failure.\nStop or Off button detected to be pressed for at least 1 second during test shortly after power up.",            
     2:  "HD FPGA POST failure.",                                                                                                                      
@@ -617,3 +629,4 @@
     3 : "Connect arterial and venous cartridge lines to your patient access lines."
 }
 
+