MqttSubscribe

[ Up: Operation Reference ]

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• Default label: "MQTT subscribe"
• Member of plug-in: Mqtt
• Catalogue path: Mqtt

Inputs:
Host		QString	The hostname or ip address of the broker to connect to
Port		int	The network port to connect to. Usually 1883
Keep alive		int	The number of seconds after which the broker should send a PING message to the client if no other messages have been exchanged in that time
User name		QString	When a username is provided, only the matching credential will be used. When '*' is used or left empty, the system will attempt all available credentials until it finds one that can connect to the broker. In both cases, an attempt to connect anonymously would be a last resort if no other credentials are accepted.
Topics		QStringList	Topics to subscribe
Outputs:
Topic		QString	Topic of the received message
Message		QByteArray	Message received