public function getFeeValue($cityId, $orderAmount)
	{

		$result = $this->fee($cityId, $orderAmount);
		if (!$result) {
			dd($this->getResultRaw());

			return null;
		}

		return $this->getResultFeeValue();

	}
public function getFeeValue($cityId, $orderAmount)
	{

		$result = $this->fee($cityId, $orderAmount);
		if (!$result) {
			dd($this->getResultRaw());

			return null;
		}

		return $this->getResultFeeValue();

	}
public function getFeeValue ( $ cityId , $ orderAmount ) { $ result = $ this -> fee ( $ cityId , $ orderAmount ) ; if ( ! $ result ) { dd ( $ this -> getResultRaw ( ) ) ; return null ; } return $ this -> getResultFeeValue ( ) ; }
Get fee value by city and amount

@param integer $cityId
@param float   $orderAmount

@return boolean
Get fee value by city and amount