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Stored procedures
Used to connect to a MQTT server (also called "Broker").
Example
// Declare the MQTT connection
gMqttSession is mqttSession

// Retrieve the data typed in the connection window
gMqttSession..Address = EDT_Broker_Address
gMqttSession..Port = EDT_Port
gMqttSession..Option = CBOX_SSL
gMqttSession..ConnectionTimeout = EDT_Connection_Timeout
gMqttSession..User = EDT_Login
gMqttSession..UserPassword = EDT_PSW
gMqttSession..PrivateKey = EDT_Private_Key
gMqttSession..PrivateKeyPassword = EDT_Private_Key_PSW
gMqttSession..ClientID = EDT_ClientID
gMqttSession..CleanSession = CBOX_Clean_Session
IF MQTTConnect(gMqttSession) THEN
Message("Connection OK")
ELSE
Error("Connection problem. '" + ErrorInfo() + "')")
END
Syntax
<Result> = MQTTConnect(<MQTT session>)
<Result>: Boolean
  • True if the connection was established,
  • False otherwise. ErrorInfo returns more details about the error.
<MQTT session>: mqttSession variable
Name of mqttSession variable corresponding to the connection parameters.
Component : wd240com.dll
Minimum version required
  • Version 22
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