Docs: Add post meta limitations to Block Bindings API docs

WordPress · Jan 10, 2025 · 694f450 · 694f450
1 parent b80c1e9
commit 694f450
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/docs/reference-guides/block-api/block-bindings.md b/docs/reference-guides/block-api/block-bindings.md
@@ -20,6 +20,9 @@ An example could be connecting an Image block `url` attribute to a function that
 } -->
 ```
 
+<div class="callout callout-alert">
+<strong>Note:</strong> Post meta keys that begin with an underscore (e.g. `_example_key`) are protected and cannot be used with Block Bindings. Additionally, post meta must be registered with `show_in_rest = true` to be available through the Block Bindings API.
+</div>
 
 ## Compatible blocks and their attributes