diff --git a/source/_integrations/imap.markdown b/source/_integrations/imap.markdown
index 142e38563bb..b82cae5935f 100644
--- a/source/_integrations/imap.markdown
+++ b/source/_integrations/imap.markdown
@@ -133,6 +133,8 @@ custom:
   description: Holds the result of the custom event data [template](/docs/configuration/templating). All attributes are available as a variable in the template.
 initial:
   description: Returns `True` if this is the initial event for the last message received. When a message within the search scope is removed and the last message received has not been changed, then an `imap_content` event is generated and the `initial` property is set to `False`. Note that if no `Message-ID` header was set on the triggering email, the `initial` property will always be set to `True`.
+uid:
+  description: Latest `uid` of the message.
 
 {% endconfiguration_basic %}