diff --git a/source/_dashboards/iframe.markdown b/source/_dashboards/iframe.markdown
index d8a544e80b6..1f70c3f70c2 100644
--- a/source/_dashboards/iframe.markdown
+++ b/source/_dashboards/iframe.markdown
@@ -47,6 +47,11 @@ title:
   required: false
   description: The card title.
   type: string
+allow:
+  required: false
+  description: The [Permissions Policy](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Permissions-Policy#iframes) of the iframe, that is, the value of the [`allow`](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/iframe#allow) attribute.
+  type: string
+  default: "fullscreen"
 {% endconfiguration %}
 
 ### Examples
@@ -59,4 +64,4 @@ aspect_ratio: 75%
 
 ## Related topics
 
-- [Dashboard cards](/dashboards/cards/)
\ No newline at end of file
+- [Dashboard cards](/dashboards/cards/)