From 5f8dcd45c1a4279f792f39ef6deffb8f8677cef5 Mon Sep 17 00:00:00 2001
From: mreiling <45905227+mreiling@users.noreply.github.com>
Date: Tue, 9 Jun 2020 05:19:46 -0700
Subject: [PATCH] Add NX584 alarm binary_sensor zone_number attribute (#36552)

---
 homeassistant/components/nx584/binary_sensor.py | 5 +++++
 tests/components/nx584/test_binary_sensor.py    | 1 +
 2 files changed, 6 insertions(+)

diff --git a/homeassistant/components/nx584/binary_sensor.py b/homeassistant/components/nx584/binary_sensor.py
index d12f337c171..127ce02b371 100644
--- a/homeassistant/components/nx584/binary_sensor.py
+++ b/homeassistant/components/nx584/binary_sensor.py
@@ -101,6 +101,11 @@ class NX584ZoneSensor(BinarySensorEntity):
         # True means "faulted" or "open" or "abnormal state"
         return self._zone["state"]
 
+    @property
+    def device_state_attributes(self):
+        """Return the state attributes."""
+        return {"zone_number": self._zone["number"]}
+
 
 class NX584Watcher(threading.Thread):
     """Event listener thread to process NX584 events."""
diff --git a/tests/components/nx584/test_binary_sensor.py b/tests/components/nx584/test_binary_sensor.py
index a9f3e6df7f6..89892bb06f0 100644
--- a/tests/components/nx584/test_binary_sensor.py
+++ b/tests/components/nx584/test_binary_sensor.py
@@ -135,6 +135,7 @@ class TestNX584ZoneSensor(unittest.TestCase):
         assert "foo" == sensor.name
         assert not sensor.should_poll
         assert sensor.is_on
+        assert sensor.device_state_attributes["zone_number"] == 1
 
         zone["state"] = False
         assert not sensor.is_on