diff --git a/src/sonic-yang-models/yang-models/sonic-logger.yang b/src/sonic-yang-models/yang-models/sonic-logger.yang
index 76c7afde8834..691bbb59cf8c 100644
--- a/src/sonic-yang-models/yang-models/sonic-logger.yang
+++ b/src/sonic-yang-models/yang-models/sonic-logger.yang
@@ -67,6 +67,11 @@ module sonic-logger{
                     }
                     default SYSLOG;
                 }
+
+                leaf require_manual_refresh {
+                    type stypes:boolean_type;
+                    description "When updating the log level, will refresh configuration via SIGHUP sent to the process.";
+                }
             }/* end of list LOGGER_LIST */
         }/* end of LOGGER container */
     }/* end of sonic-logger container */