public CreateCustomLineItemRequest withBillingGroupArn(String billingGroupArn) {
        setBillingGroupArn(billingGroupArn);
        return this;
    }
<p>
The Amazon Resource Name (ARN) that references the billing group where the custom line item applies to.
</p>

@param billingGroupArn
       The Amazon Resource Name (ARN) that references the billing group where the custom line item applies to.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-billingconductor/src/main/java/com/amazonaws/services/billingconductor/model/CreateCustomLineItemRequest.java