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14 changes: 6 additions & 8 deletions source/_docs/configuration/entity-registry.markdown
Original file line number Diff line number Diff line change
Expand Up @@ -9,17 +9,14 @@ sharing: true
footer: true
---

<p class='note'>
This is a new and experimental feature of Home Assistant.
</p>

Starting with version 0.63, Home Assistant keeps a registry of known entities.
The entity registry makes sure that entities get unique identifiers and allow
customizing the identifiers and names of these entities.

As this is still a very new part of Home Assistant, changes will require a
restart of Home Assistant to take effect. A config user interface will be added
in a future version.
Changes require that Home Assistant is shut down when you edit the file, otherwise
Home Assistant may over-write your changes, and a restart of Home Assistant is
required for your changes to take effect. Version 0.75 introduced a configuration
user interface.

<p class='note'>
An entity needs to have a unique ID to be registered in the entity registry.
Expand Down Expand Up @@ -55,5 +52,6 @@ value to each entry.

{% linkable_title Supported Components %}

At the moment, only the following components are supported: Z-Wave, Hue, Nest, LIFX, Sonos, Apple TV, Weather Underground
Only components that provide a unique ID for entities will are supported.

Note that for Weather Underground, second and subsequent Personal Weather Station ID (pws_id) will have their monitored conditions suffixed with an index number.