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---
title: "MQTT Scene"
description: "Instructions on how to integrate MQTT scenes into Home Assistant."
ha_category:
- Scene
ha_release: 2020.12
ha_iot_class: Configurable
ha_domain: mqtt
---
The `mqtt` scene platform lets you control your MQTT enabled scenes.
## Configuration
<a id='new_format'></a>
To enable a MQTT scene in your installation, add the following to your `configuration.yaml` file:
```yaml
# Example configuration.yaml entry
mqtt:
- scene:
command_topic: zigbee2mqtt/living_room_group/set
```
{% configuration %}
availability:
description: A list of MQTT topics subscribed to receive availability (online/offline) updates. Must not be used together with `availability_topic`.
required: false
type: list
keys:
payload_available:
description: The payload that represents the available state.
required: false
type: string
default: online
payload_not_available:
description: The payload that represents the unavailable state.
required: false
type: string
default: offline
topic:
description: An MQTT topic subscribed to receive availability (online/offline) updates.
required: true
type: string
value_template:
description: "Defines a [template](/docs/configuration/templating/#using-templates-with-the-mqtt-integration) to extract device's availability from the `topic`. To determine the devices's availability result of this template will be compared to `payload_available` and `payload_not_available`."
required: false
type: template
availability_mode:
description: When `availability` is configured, this controls the conditions needed to set the entity to `available`. Valid entries are `all`, `any`, and `latest`. If set to `all`, `payload_available` must be received on all configured availability topics before the entity is marked as online. If set to `any`, `payload_available` must be received on at least one configured availability topic before the entity is marked as online. If set to `latest`, the last `payload_available` or `payload_not_available` received on any configured availability topic controls the availability.
required: false
type: string
default: latest
availability_template:
description: "Defines a [template](/docs/configuration/templating/#using-templates-with-the-mqtt-integration) to extract device's availability from the `availability_topic`. To determine the devices's availability result of this template will be compared to `payload_available` and `payload_not_available`."
required: false
type: template
availability_topic:
description: The MQTT topic subscribed to receive availability (online/offline) updates. Must not be used together with `availability`.
required: false
type: string
command_topic:
description: The MQTT topic to publish `payload_on` to activate the scene.
required: false
type: string
device:
description: "Information about the device this scene is a part of to tie it into the [device registry](https://developers.home-assistant.io/docs/en/device_registry_index.html). Only works when [`unique_id`](#unique_id) is set. At least one of identifiers or connections must be present to identify the device."
required: false
type: map
keys:
configuration_url:
description: 'A link to the webpage that can manage the configuration of this device. Can be either an HTTP or HTTPS link.'
required: false
type: string
connections:
description: 'A list of connections of the device to the outside world as a list of tuples `[connection_type, connection_identifier]`. For example the MAC address of a network interface: `"connections": [["mac", "02:5b:26:a8:dc:12"]]`.'
required: false
type: list
hw_version:
description: The hardware version of the device.
required: false
type: string
identifiers:
description: A list of IDs that uniquely identify the device. For example a serial number.
required: false
type: [string, list]
manufacturer:
description: The manufacturer of the device.
required: false
type: string
model:
description: The model of the device.
required: false
type: string
name:
description: The name of the device.
required: false
type: string
suggested_area:
description: 'Suggest an area if the device isnt in one yet.'
required: false
type: string
sw_version:
description: The firmware version of the device.
required: false
type: string
via_device:
description: 'Identifier of a device that routes messages between this device and Home Assistant. Examples of such devices are hubs, or parent devices of a sub-device. This is used to show device topology in Home Assistant.'
required: false
type: string
enabled_by_default:
description: Flag which defines if the entity should be enabled when first added.
required: false
type: boolean
default: true
entity_category:
description: The [category](https://developers.home-assistant.io/docs/core/entity#generic-properties) of the entity.
required: false
type: string
default: None
encoding:
description: The encoding of the published messages.
required: false
type: string
default: "utf-8"
icon:
description: Icon for the scene.
required: false
type: icon
json_attributes_template:
description: "Defines a [template](/docs/configuration/templating/#using-templates-with-the-mqtt-integration) to extract the JSON dictionary from messages received on the `json_attributes_topic`. Usage example can be found in [MQTT sensor](/integrations/sensor.mqtt/#json-attributes-template-configuration) documentation."
required: false
type: template
json_attributes_topic:
description: The MQTT topic subscribed to receive a JSON dictionary payload and then set as sensor attributes. Usage example can be found in [MQTT sensor](/integrations/sensor.mqtt/#json-attributes-topic-configuration) documentation.
required: false
type: string
name:
description: The name to use when displaying this scene.
required: false
type: string
default: MQTT Scene
object_id:
description: Used instead of `name` for automatic generation of `entity_id`
required: false
type: string
payload_available:
description: The payload that represents the available state.
required: false
type: string
default: online
payload_not_available:
description: The payload that represents the unavailable state.
required: false
type: string
default: offline
payload_on:
description: The payload that will be sent to `command_topic` when activating the MQTT scene.
required: false
type: string
default: "ON"
qos:
description: The maximum QoS level of the state topic. Default is 0 and will also be used to publishing messages.
required: false
type: integer
default: 0
retain:
description: If the published message should have the retain flag on or not.
required: false
type: boolean
default: false
unique_id:
description: An ID that uniquely identifies this scene entity. If two scenes have the same unique ID, Home Assistant will raise an exception.
required: false
type: string
{% endconfiguration %}
<div class='note warning'>
Make sure that your topic matches exactly. `some-topic/` and `some-topic` are different topics.
</div>
## Examples
In this section, you will find some real-life examples of how to use the MQTT Scene.
### Full configuration
The example below shows a full configuration for a scene.
```yaml
# Example configuration.yaml entry
mqtt:
- scene:
unique_id: living_room_party_scene
name: "Party Scene"
command_topic: "home/living_room/party_scene/set"
availability:
- topic: "home/living_room/party_scene/available"
payload_on: "ON"
qos: 0
retain: true
device:
name: "Living Room"
identifiers: "livingroom_lights"
```
### Use with a JSON Payload
The example below shows a configuration using a JSON payload.
```yaml
# Example configuration.yaml entry
mqtt:
- scene:
name: Living Room Blue Scene
unique_id: living_room_blue_scene
command_topic: "home/living_room/set"
payload_on: '{"activate_scene": "Blue Scene"}'
```