public SavingsPlan withPaymentOption(SavingsPlanPaymentOption paymentOption) {
        this.paymentOption = paymentOption.toString();
        return this;
    }
<p>
The payment option.
</p>

@param paymentOption
       The payment option.
@return Returns a reference to this object so that method calls can be chained together.
@see SavingsPlanPaymentOption
aws-java-sdk-savingsplans/src/main/java/com/amazonaws/services/savingsplans/model/SavingsPlan.java