public CreateRegistrationResult withRegistrationArn(String registrationArn) {
        setRegistrationArn(registrationArn);
        return this;
    }
<p>
The Amazon Resource Name (ARN) for the registration.
</p>

@param registrationArn
       The Amazon Resource Name (ARN) for the registration.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-pinpointsmsvoicev2/src/main/java/com/amazonaws/services/pinpointsmsvoicev2/model/CreateRegistrationResult.java