Update src/connections/destinations/catalog/actions-ortto/index.md

Co-authored-by: forstisabella <[email protected]>

Author: xitonix

src/connections/destinations/catalog/actions-ortto/index.md

@@ -36,7 +36,7 @@ This destination is maintained by Ortto. For support or questions, [contact the
 
 {% include components/actions-fields.html %}
 
-> [!IMPORTANT]
+> warning "All events must contain an identifier"
 > All events sent through the supported actions must include either the `User ID` or `Anonymous ID` fields, regardless of whether these are set as [Unique Identifiers](https://help.ortto.com/a-55-unique-identifiers){:target="_blank"} in Ortto.
 
 > [!IMPORTANT]