# Circle CI One useful way of monitoring the changes in your codebase is by adding annotations whenever your tests run. This handy Hosted Graphite webhook you can do just that! ### How to set up a CircleCI webhook CircleCI’s documentation lists [how to edit your CircleCI configuration to add a new webhook url](https://circleci.com/docs/configuration#notify/). To get your webhook URL from Hosted Graphite - Simply click the “Copy CircleCI webhook URL” button on the [add-ons](https://www.hostedgraphite.com/app/addons/) page, and add the URL to your circle configuration.

To see these events as [annotations](https://docs.hostedgraphite.com/api-guides/annotations-and-events-api#dashboard-annotations) on your graph, just enable them in your dashboard settings, and query by Tag:

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