mqttPubString

Publishes a message. Payload is passed as a STRING variable.

Inputs

Parameter	Data type	Description
IN	BOOL	Triggers the subscribe request (see notes).
CnxID	STRING	Identifier of the connection in the fieldbus configuration.
Topic	STRING	Message topic – may contain wild chars.
Payload	STRING	Payload of the message.
QOS	DINT	Wished quality of service.
retain	BOOL	TRUE if the message must be retained in the broker.

Outputs

Parameter	Data type	Description
OK	BOOL	TRUE if the request is successfully sent.
Error	BOOL	TRUE if the request failed.