 resource-based workflow, we want the same for making customizations to our Istio proxies.</p><h2 id=a-declarative-approach>A declarative approach</h2><p>The WebAssembly Hub tooling also includes <a href=https://docs.solo.io/web-assembly-hub/latest/tutorial_code/wasme_operator/>an operator for deploying Wasm extensions to Istio workloads</a>. The <a href=https://kubernetes.io/docs/concepts/extend-kubernetes/operator/>operator</a> allows users to define their WebAssembly extensions using a declarative format