diff --git a/cereal/custom.capnp b/cereal/custom.capnp
index f288c374e0..33aef6df4f 100644
--- a/cereal/custom.capnp
+++ b/cereal/custom.capnp
@@ -13,6 +13,18 @@ $Cxx.namespace("cereal");
 struct OnroadEventSP {
   name @0 :EventName;
 
+  # event types
+  enable @1 :Bool;
+  noEntry @2 :Bool;
+  warning @3 :Bool;   # alerts presented only when  enabled or soft disabling
+  userDisable @4 :Bool;
+  softDisable @5 :Bool;
+  immediateDisable @6 :Bool;
+  preEnable @7 :Bool;
+  permanent @8 :Bool; # alerts presented regardless of openpilot state
+  overrideLateral @10 :Bool;
+  overrideLongitudinal @9 :Bool;
+
   enum EventName {
     lkasEnable @0;
     lkasDisable @1;