lens/extensions/metrics-cluster-feature/renderer.tsx

import { Registry, LensRendererExtension } from "@k8slens/extensions"
import { MetricsFeature } from "./src/metrics-feature"
import React from "react"

export default class ClusterMetricsFeatureExtension extends LensRendererExtension {
  registerClusterFeatures(registry: Registry.ClusterFeatureRegistry) {
    this.disposers.push(
      registry.add({
        title: "Metrics Stack",
        components: {
          Description: () => {
            return (
              <span>
                Enable timeseries data visualization (Prometheus stack) for your cluster.
                Install this only if you don't have existing Prometheus stack installed.
                You can see preview of manifests <a href="https://github.com/lensapp/lens/tree/master/extensions/lens-metrics/resources" target="_blank">here</a>.
              </span>
            )
          }
        },
        feature: new MetricsFeature()
      })
    )
  }
}