docs: add link to cel playground (#222)

undistro · Jun 23, 2023 · 6cbf06c · 6cbf06c
1 parent c7d3592
commit 6cbf06c
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diff --git a/docs/custom-checks.md b/docs/custom-checks.md
@@ -120,6 +120,8 @@ mycluster-mycheck-4edd75cb85a4   mycluster   mycheck   Required labels   Low
 All Marvin checks are similar to the `CustomCheck` API. 
 You can see them in the [`internal/builtins`](https://github.com/undistro/marvin/tree/main/internal/builtins) folder for examples.
 
+If you want to quickly test CEL expressions from your browser, check out the [CEL Playground](https://playcel.undistro.io/).
+
 Some examples of Marvin built-in checks expressions:
 
 - [HostPath volumes must be forbidden](https://github.com/undistro/marvin/blob/main/internal/builtins/pss/baseline/M-104_host_path_volumes.yml)