public StartMLDataProcessingJobRequest withNeptuneIamRoleArn(String neptuneIamRoleArn) {
        setNeptuneIamRoleArn(neptuneIamRoleArn);
        return this;
    }
<p>
The Amazon Resource Name (ARN) of an IAM role that SageMaker can assume to perform tasks on your behalf. This
must be listed in your DB cluster parameter group or an error will occur.
</p>

@param neptuneIamRoleArn
       The Amazon Resource Name (ARN) of an IAM role that SageMaker can assume to perform tasks on your behalf.
       This must be listed in your DB cluster parameter group or an error will occur.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-neptunedata/src/main/java/com/amazonaws/services/neptunedata/model/StartMLDataProcessingJobRequest.java