[ /** * The headline for the section. This can be a simple string or a template with additional info from the parent page. */ 'headline' => function ($headline = null) { return I18n::translate($headline, $headline); } ], 'computed' => [ 'headline' => function () { if ($this->headline) { return $this->model()->toString($this->headline); } return ucfirst($this->name); } ] ];