$ kubectl create namespace hello-helidon

$ kubectl describe ns hello-helidon
Name:         hello-helidon
Labels:       kubernetes.io/metadata.name=hello-helidon
Annotations:  <none>
Status:       Active
No resource quota.
No LimitRange resource.

$ kubectl label namespace hello-helidon verrazzano-managed=true istio-injection=enabled
namespace/hello-helidon labeled

$ kubectl describe ns hello-helidon
Name:         hello-helidon
Labels:       istio-injection=enabled
              kubernetes.io/metadata.name=hello-helidon
              verrazzano-managed=true
Annotations:  <none>
Status:       Active
No resource quota.
No LimitRange resource.

$ kubectl delete namespaces hello-helidon
namespace "hello-helidon" deleted
