code: public JobRequest setApplicationName(String applicationName)
      {
          if (applicationName == null || applicationName.length() > 100)
          {
              throw new JqmInvalidRequestException("Job definition name must be between 1 and 100 characters");
          }
          this.applicationName = applicationName;
          return this;
      }
docs: <strong>Compulsory</strong> (unless {@link #setScheduleId(Integer)} is used)<br>
  The name of the batch job to launch. It is the "Job Definition" name, and the most important parameter in this form.
  
  @param applicationName
  max length is 100