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Stored procedures
Allows you to unsubscribe from a MQTT notification.
Example
MQTTUnsubscribe(gMqttSession, "sensors/sensor1/temperature1")
Syntax
<Result> = MQTTUnsubscribe(<MQTT session> , <Topic>)
<Result>: Boolean
  • True if the unsubscription is implemented,
  • False otherwise. ErrorInfo returns more details.
<MQTT session>: mqttSession variable
Name of mqttSession variable corresponding to the MQTT session to use.
<Topic>: Character string
Topic for which the unsubscription is requested.
Business / UI classification: Business Logic
Component: wd280com.dll
See also
Minimum version required
  • Version 22
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