diff --git a/common/schema.h b/common/schema.h
index fd4b92da7..67504bdca 100644
--- a/common/schema.h
+++ b/common/schema.h
@@ -105,6 +105,16 @@ namespace swss {
 
 #define APP_NEIGH_RESOLVE_TABLE_NAME        "NEIGH_RESOLVE_TABLE"
 
+#define APP_ISIS_ROUTER_LSP_STATE           "ISIS_ROUTER_LSP_STATE"
+
+#define APP_ISIS_CIRCUIT_INDICATION         "ISIS_CIRCUIT_INDICATION"
+#define APP_ISIS_ADJACENCY_CHANGE           "ISIS_ADJACENCY_CHANGE"
+#define APP_ISIS_DATABASE_OVERLOAD_ALARM    "ISIS_DATABASE_OVERLOAD_ALARM"
+#define APP_ISIS_HELLO_AUTH_FAILURE         "ISIS_HELLO_AUTH_FAILURE"
+#define APP_GLOBAL_SID_COLLISION_ALARM      "GLOBAL_SID_COLLISION_ALARM"
+#define APP_SID_OUT_OF_RANGE_LOCAL_ALARM    "SID_OUT_OF_RANGE_LOCAL_ALARM"
+#define APP_SID_OUT_OF_RANGE_ALARM          "SID_OUT_OF_RANGE_ALARM"
+
 /***** TO BE REMOVED *****/
 
 #define APP_TC_TO_QUEUE_MAP_TABLE_NAME  "TC_TO_QUEUE_MAP_TABLE"