/**
* Insert one new record using the Entity class.
*
* @param $insertedEntities
* @return string
*/
public function execute($insertedEntities)
{
$obj = $this->mapper->build([]);
$this->fillColumns($obj, $insertedEntities);
$this->callMethods($obj, $insertedEntities);
$this->mapper->insert($obj);
return $obj;
}