update the code snippet to accurately reflect our recommendations

chromaui · Dec 5, 2024 · b36053b · b36053b
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commit b36053b
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diff --git a/src/content/ci/github-actions.mdx b/src/content/ci/github-actions.mdx
@@ -513,6 +513,10 @@ If you decide to use the `pull_request` event, we recommend creating a separate
     fetch-depth: 0
     # 👇 Tells the checkout which commit hash to reference
     ref: ${{ github.event.pull_request.head.ref }}
+  env:
+    CHROMATIC_BRANCH: ${{ github.event.pull_request.head.ref || github.ref_name }}
+    CHROMATIC_SHA: ${{ github.event.pull_request.head.sha || github.ref }}
+    CHROMATIC_SLUG: ${{ github.repository }}
 ```
 
 ### UI Test and UI Review