topic string REQUIRED The MQTT topic subscribed to receive tag scanned events. value_template string (optional) Defines a template that returns a tag ID. device map REQUIRED Information about the device this device trigger is a part of to tie it into the device registry. At least one of identifiers or connections must be present to identify the device. configuration_url string (optional) A link to the webpage that can manage the configuration of this device. Can be either an HTTP or HTTPS link. connections list | map (optional) 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']. hw_version string (optional) The hardware version of the device. identifiers list | string (optional) A list of IDs that uniquely identify the device. For example a serial number. manufacturer string (optional) The manufacturer of the device. model string (optional) The model of the device. name string (optional) The name of the device. suggested_area string (optional) Suggest an area if the device isn’t in one yet. sw_version string (optional) The firmware version of the device. via_device string (optional) 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.