[ /** * Sets the query to a parent to find items for the list */ 'parent' => function (string $parent = null) { return $parent; } ], 'methods' => [ 'parentModel' => function () { $parent = $this->parent; if (is_string($parent) === true) { $parent = $this->model->query($parent); } if ($parent === null) { return $this->model; } return $parent; } ] ];