code: public void setProperty(String key,String value)
      {
          try
          {
              this.JOB.setProperty(key,value);
          }
          catch(Exception exception)
          {
              throw new FaxException("Error while setting job property.",exception);
          }
      }
docs: This function sets the fax job property.
  
  @param   key
  The property key
  @param   value
  The property value