lib/commands/InterfaceController.php
public function setDataInterface($value)
    {
        if (($interfaceItem = Yii::$app->collectors['dataInterfaces']->getOne($value)) && ($interface = $interfaceItem->object)) {
            $this->_interface = $interfaceItem;
        } else {
            throw new Exception("Invalid interface!");
        }
    }
public function setDataInterface($value)
    {
        if (($interfaceItem = Yii::$app->collectors['dataInterfaces']->getOne($value)) && ($interface = $interfaceItem->object)) {
            $this->_interface = $interfaceItem;
        } else {
            throw new Exception("Invalid interface!");
        }
    }
Set interface.

@param string $value system ID of data interface

@throws Exception on invalid interface selection