Utility/DynamicFields.php
public function save()
    {
        $isSave = true;
        foreach ($this->entities as $entity) {
            $isSave = $entity->save();
            if (!$isSave) {
                break;
            }
        }

        return $isSave;
    }
public function save()
    {
        $isSave = true;
        foreach ($this->entities as $entity) {
            $isSave = $entity->save();
            if (!$isSave) {
                break;
            }
        }

        return $isSave;
    }
Save field data.

@return bool