home-assistant.io/source/_components/alarm_control_panel.mqtt.markdown
Dan Nixon 5d321e66f7 Update MQTT platforms that now support availablity (#4293)
To accompany changes from:
https://github.com/home-assistant/home-assistant/pull/11336

Updated platforms:
- Switch (previously supported)
- Binary sensor (previously supported)
- Cover (previously supported)
- Light
- JSON light
- Template light
- Sensor
- Alarm control panel
- Lock
- HVAC
- Fan
- Vacuum
2018-01-01 18:33:19 -08:00

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---
layout: page
title: "MQTT Alarm Control Panel"
description: "Instructions how to integrate MQTT capable Alarm Panels into Home Assistant."
date: 2015-09-14 19:10
sidebar: true
comments: false
sharing: true
footer: true
logo: mqtt.png
ha_category: Alarm
ha_release: 0.7.4
ha_iot_class: depends
---
The `mqtt` alarm panel platform enables the possibility to control MQTT capable alarm panels. The Alarm icon will change state after receiving a new state from `state_topic`. If these messages are published with *RETAIN* flag, the MQTT alarm panel will receive an instant state update after subscription and will start with the correct state. Otherwise, the initial state will be `unknown`.
The component will accept the following states from your Alarm Panel (in lower case):
- 'disarmed'
- 'armed_home'
- 'armed_away'
- 'pending'
- 'triggered'
The component can control your Alarm Panel by publishing to the `command_topic` when a user interacts with the Home Assistant frontend.
To enable this platform, add the following lines to your `configuration.yaml`:
```yaml
# Example configuration.yaml entry
alarm_control_panel:
- platform: mqtt
state_topic: "home/alarm"
command_topic: "home/alarm/set"
```
{% configuration %}
name:
description: The name of the alarm.
required: false
type: string
default: MQTT Alarm
state_topic:
description: The MQTT topic subscribed to receive state updates.
required: true
type: string
command_topic:
description: The MQTT topic to publish commands to change the alarm state.
required: true
type: string
qos:
description: The maximum QoS level of the state topic.
required: false
type: integer
default: 0
payload_disarm:
description: The payload to disarm your Alarm Panel.
required: false
type: string
default: DISARM
payload_arm_home:
description: The payload to set armed-home mode on your Alarm Panel.
required: false
type: string
default: ARM_HOME
payload_arm_away:
description: The payload to set armed-away mode on your Alarm Panel.
required: false
type: string
default: ARM_AWAY
code:
description: If defined, specifies a code to enable or disable the alarm in the frontend.
required: false
type: string
availability_topic:
description: The MQTT topic subscribed to receive availability (online/offline) updates.
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
{% endconfiguration %}