public String getS3BucketName() {
        return this.s3BucketName;
    }
<p>
The name of the Amazon Simple Storage Service bucket that will be used to store and deploy the system instance's
resource file. This value is required if the value of the <code>target</code> parameter is
<code>GREENGRASS</code>.
</p>

@return The name of the Amazon Simple Storage Service bucket that will be used to store and deploy the system
        instance's resource file. This value is required if the value of the <code>target</code> parameter is
        <code>GREENGRASS</code>.
aws-java-sdk-iotthingsgraph/src/main/java/com/amazonaws/services/iotthingsgraph/model/CreateSystemInstanceRequest.java