Alarm Channel

Channel Category: alarm

Provides arm/disarm control, siren activation, and alarm status for security systems.

Required Properties

Property	Data Type	Range/Values	Unit	Permissions
`state`	Enum	`disarmed`, `armed_home`, `armed_away`, `armed_night`	-	RW (Read-Write)

Current arming state of the alarm system

Property	Data Type	Range/Values	Unit	Permissions
`alarm_state`	Enum	`idle`, `pending`, `triggered`, `silenced`	-	RO (Read-Only)
`triggered`	Bool	-	-	RO (Read-Only)
`siren`	Bool	-	-	RW (Read-Write)
`active`	Bool	-	-	RO (Read-Only)
`fault`	Uchar	0–255	-	RO (Read-Only)
`fault_description`	String	-	-	RO (Read-Only)
`tampered`	Bool	-	-	RO (Read-Only)
`last_event`	String	-	-	RO (Read-Only)

Current alarm lifecycle state. Prefer this over triggered when available, as it can represent pending and silenced states.

Indicates whether the alarm is currently triggered

Controls the audible siren output

Reports whether the alarm subsystem is operational

Fault code or diagnostic indicator

Human-readable fault description, if provided by the integration.

Indicates if the device has been tampered with

The last known security-relevant event for this alarm device. Can be provided by the integration or derived by the backend from state changes.