diff --git a/source/_integrations/integration.markdown b/source/_integrations/integration.markdown
index bd88948bfff..5945e32c240 100644
--- a/source/_integrations/integration.markdown
+++ b/source/_integrations/integration.markdown
@@ -65,6 +65,10 @@ name:
   required: false
   default: source entity ID meter
   type: string
+unique_id:
+   description: An ID that uniquely identifies the integration sensor. Set this to a unique value to allow customization through the UI.
+   required: false
+   type: string
 round:
   description: Round the calculated integration value to at most N decimal places.
   required: false