# Describes the format for available MQTT services publish: description: Publish a message to an MQTT topic. fields: topic: description: Topic to publish payload. example: /homeassistant/hello payload: description: Payload to publish. example: This is great payload_template: description: Template to render as payload value. Ignored if payload given. example: "{{ states('sensor.temperature') }}" qos: description: Quality of Service to use. example: 2 values: - 0 - 1 - 2 default: 0 retain: description: If message should have the retain flag set. example: true default: false