Update deconz.markdown (home-assistant#4494)

Kane610 · c727 · commit 1adb48b0a42c · 2018-02-21T16:09:26.000+01:00
* Update deconz.markdown

Added description and example of new service data attribute

* Update deconz.markdown
diff --git a/source/_components/deconz.markdown b/source/_components/deconz.markdown
@@ -75,10 +75,15 @@ Set attribute of device in Deconz using [Rest API](http://dresden-elektronik.git
 | Service data attribute | Optional | Description |
 |-----------|----------|-------------|
 | `field` | No | String representing a specific device in deCONZ. |
+| `entity` | No | String representing a specific HASS entity of a device in deCONZ. |
 | `data` | No | Data is a JSON object with what data you want to alter. |
 
+Field and entity are exclusive, i.e you can only use one in a request.
+
 { "field": "/lights/1", "data": {"name": "light2"} }
 
+{ "entity": "light.light1", "data": {"name": "light2"} }
+
 { "field": "/config", "data": {"permitjoin": 60} }
 
 ## {% linkable_title Remote control devices%}
