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Stored procedures
Allows you to unsubscribe from all the existing subscriptions.
Example
MQTTUnsubscribeAll(gMqttSession)
Syntax
<Result> = MQTTUnsubscribeAll(<MQTT session>)
<Result>: Boolean
  • True if all the unsubscriptions have been performed,
  • False otherwise. ErrorInfo returns more details.
<MQTT session>: mqttSession variable
Name of mqttSession variable corresponding to the MQTT session to use.
Component : wd250com.dll
Minimum version required
  • Version 22
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