Cookies::add() 

\nn\t3::Cookies()->add($name = '', $value = '', $expire = 0); 

Create a cookie - but do not send it to the client yet. The cookie is only set in the middleware, see: | \Nng\Nnhelpers\Middleware\ModifyResponse

$cookie = \nn\t3::Cookies()->add( $name, $value, $expire );
$cookie = \nn\t3::Cookies()->add( 'my_cookie', 'my_nice_value', time() + 60 );

public function add ( $name = '', $value = '', $expire = 0 )
{
	$this->cookiesToSet[$name] = [
		'value' => $value,
		'expire' => $expire
	];
}