public BatchParameters withJobDefinition(String jobDefinition) {
        setJobDefinition(jobDefinition);
        return this;
    }
<p>
The ARN or name of the job definition to use if the event target is an Batch job. This job definition must
already exist.
</p>

@param jobDefinition
       The ARN or name of the job definition to use if the event target is an Batch job. This job definition must
       already exist.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-events/src/main/java/com/amazonaws/services/cloudwatchevents/model/BatchParameters.java