src/Console/Command.php
public function setArguments($name, $required = false, $description = 'Argument description')
    {
        $required ? $required = InputArgument::REQUIRED : $required = InputArgument::OPTIONAL;
        $this->addArgument($name, $required, $description);
    }
public function setArguments($name, $required = false, $description = 'Argument description')
    {
        $required ? $required = InputArgument::REQUIRED : $required = InputArgument::OPTIONAL;
        $this->addArgument($name, $required, $description);
    }
public function setArguments ( $ name , $ required = false , $ description = 'Argument description' ) { $ required ? $ required = InputArgument :: REQUIRED : $ required = InputArgument :: OPTIONAL ; $ this -> addArgument ( $ name , $ required , $ description ) ; }
Add argument to a command.

@param $name, the argument name
@param bool   $required,   is it required
@param string $description
Add argument to a command .