public HyperParameterTrainingJobDefinition withDefinitionName(String definitionName) {
        setDefinitionName(definitionName);
        return this;
    }
<p>
The job definition name.
</p>

@param definitionName
       The job definition name.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-sagemaker/src/main/java/com/amazonaws/services/sagemaker/model/HyperParameterTrainingJobDefinition.java