public void setJobDefinition(String jobDefinition) {
        this.jobDefinition = jobDefinition;
    }
<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.
aws-java-sdk-events/src/main/java/com/amazonaws/services/cloudwatchevents/model/BatchParameters.java