diff --git a/source/_integrations/flux.markdown b/source/_integrations/flux.markdown
index 85a7e405881..5610acc184c 100644
--- a/source/_integrations/flux.markdown
+++ b/source/_integrations/flux.markdown
@@ -96,6 +96,10 @@ interval:
   required: false
   default: 30
   type: integer
+unique_id:
+  description: An ID that uniquely identifies this switch. Set this to a unique value to allow customization through the UI.
+  required: false
+  type: string
 {% endconfiguration %}
 
 Full example: