From 378a354bbf94879e67a9a5296186367a2d7bc31d Mon Sep 17 00:00:00 2001
From: karwosts <32912880+karwosts@users.noreply.github.com>
Date: Fri, 4 Jul 2025 21:31:02 -0700
Subject: [PATCH] Number selector UoM translation key (#39848)

---
 source/_docs/blueprint/selectors.markdown | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/source/_docs/blueprint/selectors.markdown b/source/_docs/blueprint/selectors.markdown
index ad8de8d8884..f6e3970646a 100644
--- a/source/_docs/blueprint/selectors.markdown
+++ b/source/_docs/blueprint/selectors.markdown
@@ -1140,6 +1140,15 @@ mode:
   type: string
   required: false
   default: slider
+translation_key:
+  description: >
+    Allows translations provided by an integration where `translation_key`
+    is the translation key that is providing the unit_of_measurement string
+    translation. See the documentation on
+    [Backend Localization](https://developers.home-assistant.io/docs/internationalization/core/#selectors)
+    for more information.
+  type: string
+  required: false    
 {% endconfiguration %}
 
 The output of this selector is a number, for example: `42`