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ClientDiag := 'MQTT Client';
LogClass := CmpLog.LogClass.LOG_DEBUG;
IF _Client.xEnable THEN
    ClientDiag := CONCAT( ClientDiag, '.EN' );
ELSE
    ClientDiag := CONCAT( ClientDiag, '.IDLE' );
END_IF
IF _Client.xDone THEN
    ClientDiag := CONCAT( ClientDiag,  '.DN' );
IF _Client.xBusy THEN
    ClientDiag := CONCAT( ClientDiag, '.BUSY' );
IF _Client.xConnectedToBroker THEN
    ClientDiag := CONCAT( ClientDiag, '.CONN' );
IF _Client.xError THEN
    LogClass := CmpLog.LogClass.LOG_ERROR;    
    ClientDiag := CONCAT( ClientDiag, '.ERR= ' );
	Returns a dynamic connection state string for diagnosis purposes.
 	This string is also logged into the SparkplugLog on change.
*)
METHOD ClientDiag : STRING
VAR
    LogClass : UDINT;