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

@return The Amazon Resource Name (ARN) for the registration.
aws-java-sdk-pinpointsmsvoicev2/src/main/java/com/amazonaws/services/pinpointsmsvoicev2/model/CreateRegistrationResult.java