src/Group.php
public function setDefault($key, $value)
    {
        foreach ($this->routes as $route)
            $route->setDefault($key, $value);
        return $this;
    }
public function setDefault($key, $value)
    {
        foreach ($this->routes as $route)
            $route->setDefault($key, $value);
        return $this;
    }
public function setDefault ( $ key , $ value ) { foreach ( $ this -> routes as $ route ) $ route -> setDefault ( $ key , $ value ) ; return $ this ; }
Set a default parameter to all grouped routes.

@param string $key
@param mixed $value

@return $this
Set a default parameter to all grouped routes .