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Added note about persistence of messages with embedded broker (#6949)

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* Added note about persistence of messages with embedded broker

The embedded mqtt broker does not save messages between restarts. Because of this the discoverys messages have to be sent after every restart for the devices to show up in HA. I added a note section to make users aware of this.

* Minor change
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Variour 2018-10-19 20:40:38 +02:00 committed by Fabian Affolter
parent 331edee8d4
commit 00d208c99c
1 changed files with 4 additions and 0 deletions
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source/_docs/mqtt/discovery.markdown
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@ -38,6 +38,10 @@ Configuration variables:
- **discovery** (*Optional*): If the MQTT discovery should be enabled or not. Defaults to `False`.
- **discovery_prefix** (*Optional*): The prefix for the discovery topic. Defaults to `homeassistant`.
<p class='note'>
The [embedded MQTT broker](/docs/mqtt/broker#embedded-broker) does not save any messages between restarts. If you use the embedded MQTT broker you have to send the MQTT discovery messages after every Home Assistant restart for the devices to show up.
</p>
The discovery topic need to follow a specific format:
```text