diff --git a/source/_integrations/filter.markdown b/source/_integrations/filter.markdown
index df7c9cafa19..78cb9f357f4 100644
--- a/source/_integrations/filter.markdown
+++ b/source/_integrations/filter.markdown
@@ -64,6 +64,10 @@ name:
   description: Name to use in the frontend.
   required: false
   type: string
+unique_id:
+  description: An ID that uniquely identifies the filter sensor. Set this to a unique value to allow customization through the UI.
+  required: false
+  type: string
 filters:
   description: Filters to be used.
   required: true