getPaymentAmount() public method

public getPaymentAmount ( ) : string
return string
 /**
  * @Then the order's payment should (also) be :paymentAmount
  */
 public function theOrdersPaymentShouldBe($paymentAmount)
 {
     $actualPaymentAmount = $this->showPage->getPaymentAmount();
     Assert::eq($paymentAmount, $actualPaymentAmount);
 }