WARNING:
plugin functionality is beta code.

Out of the box, MQTTHomeAssistantConfig supports device discovery for Home Assistant sensor data. This is an example of using MQTTHomeAssistantConfig for a Home Assistant binary sensor data.

[MQTTPublish]
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        [[[MQTTHomeAssistantConfig]]]
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            [[[[devices]]]]
                # The device-id. Can be any valid Home Assistant value.
                [[[[[device001]]]]]
                    # A comma separated list of published fields that should NOT be configured as Home Assistant components.
                    ignore_fields = interval
                    [[[[[[device]]]]]]
                        # The name of this device
                        name = Water Detectors

                    # The topics that source Home Assistant.
                    [[[[[[topics]]]]]]
                        [[[[[[[weather/loop3]]]]]]]
                            # The 'type' of payload.
                            type = individual

                    # Data to define the component to Home Assistant.
                    # Observations know to WeeWX can have default values overridden.
                    # Observations that have been added to WeeWX can be defined here.
                    [[[[[[component_data]]]]]]
                        # The WeeWX observeration name that is published to MQTT.
                        # This is an observation that has been added to WeeWX
                        [[[[[[[leak_mon1]]]]]]]
                            # Data used by Home Assistant to configue this device follow.
                            name = Shed
                            platform = binary_sensor
                            payload_off = 0
                            payload_on = 1