From 0c7780681bdfe73b07184b79bdcd5adf38fd24a7 Mon Sep 17 00:00:00 2001
From: Otto Winter <otto@otto-winter.com>
Date: Sun, 8 Apr 2018 04:32:01 +0200
Subject: [PATCH] MQTT Sensor Unique ID feature (#5131)

---
 source/_components/sensor.mqtt.markdown | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/source/_components/sensor.mqtt.markdown b/source/_components/sensor.mqtt.markdown
index dc835ac9d7f..7076fc9b560 100644
--- a/source/_components/sensor.mqtt.markdown
+++ b/source/_components/sensor.mqtt.markdown
@@ -80,6 +80,10 @@ json_attributes:
   description: A list of keys to extract values from a JSON dictionary payload and then set as sensor attributes.
   reqired: false
   type: list, string
+unique_id:
+  description: "An id that uniquely identifies this sensor. If 2 sensors have the same unique id, Home Assistant will raise an exception.**"
+  required: false
+  type: string
 {% endconfiguration %}
 
 ## {% linkable_title Examples %}