public function setDailyBudget(\Api\StructType\ApiDailyBudget $dailyBudget = null) { if (is_null($dailyBudget) || is_array($dailyBudget) && empty($dailyBudget)) { unset($this->DailyBudget); } else { $this->DailyBudget = $dailyBudget; } return $this; }