link to Workers example

Author: ranbel

src/content/docs/cloudflare-one/identity/devices/service-providers/custom.mdx

@@ -25,7 +25,7 @@ sequenceDiagram
 
 ## External API requirements
 
-The custom service provider integration works with any API service that meets the following specifications.
+The custom service provider integration works with any API service that meets the following specifications. For an example of a custom device posture integration API, refer to our [Cloudflare Workers sample code](https://github.com/cloudflare/custom-device-posture-integration-example-worker).
 
 ### Authentication