[ "label" => "Festivos.date", "rules" => "required|valid_date[Y-m-d]", ], ]; protected $validationMessages = [ "date" => [ "valid_date" => "Validation.valid_date", ], ]; public function isFestivo($date) { return $this->where('date',$date)->countAllResults() > 0 ? true : false; } }