diff --git a/pkg/cmd/util/helpers.go b/pkg/cmd/util/helpers.go
index 2857d5a14..282682044 100644
--- a/pkg/cmd/util/helpers.go
+++ b/pkg/cmd/util/helpers.go
@@ -455,6 +455,12 @@ const (
 	// Transition to WebSockets.
 	RemoteCommandWebsockets FeatureGate = "KUBECTL_REMOTE_COMMAND_WEBSOCKETS"
 	PortForwardWebsockets   FeatureGate = "KUBECTL_PORT_FORWARD_WEBSOCKETS"
+
+	// owner: @thockin
+	// kep: https://kep.k8s.io/5296
+	//
+	// Support KYAML output.
+	KYAMLOutput FeatureGate = "KUBECTL_KYAML"
 )
 
 // IsEnabled returns true iff environment variable is set to true.