Optional
payload_The payload that represents the available state. Default is "online".
Optional
payload_The payload that represents the unavailable state. Default is "offline".
Optional
value_Defines a template to extract a device's availability from the topic. To determine the device's availability, the result of this template will be compared to payload_available and payload_not_available.
Configuration for entity availability reporting in Home Assistant Defines how the entity communicates its online/offline status