diff --git a/tests/software-upgrades/ONOS_AppsUpgrade.robot b/tests/software-upgrades/ONOS_AppsUpgrade.robot
index fbd04db..0b6418b 100755
--- a/tests/software-upgrades/ONOS_AppsUpgrade.robot
+++ b/tests/software-upgrades/ONOS_AppsUpgrade.robot
@@ -56,6 +56,10 @@
 # Per-test logging on failure is turned off by default; set this variable to enable
 ${container_log_dir}    ${None}
 
+# logging flag to enable Voltha Components Logging, can be passed via the command line too
+# example: -v logging:False
+${logging}    True
+
 # ONOS Apps to Test for Software Upgrade need to be passed in the following variable in format:
 # <app-name>,<version>,<oar-url>*<app-name>,<version>,<oar-url>*
 # Example: org.opencord.aaa,2.3.0.SNAPSHOT,