public function getRelationData(Model $model)
    {
        $relations = $this->getRelations($model);
        if (empty($relations)) {
            return [];
        }
        $return = [];

        foreach ($this->properties as $name => $details) {
            try {
                $related = $model->{$name};
                if (!is_object($model->$name())) {
                    continue;
                }
            } catch (Exception $ex) {
                continue;
            }

            if (is_null($related)) {
                $related = $model->$name()->getModel();
                array_set($return, $name, [get_class($related) => $related->getFillable()]);
            }
            if (!is_null($related) && method_exists($related, 'getAttributes')) {
                array_set($return, $name, [get_class($related) => $related->getAttributes()]);
            }
        }
        return $return;
    }