The Job Composer App in On-Demand is a powerful tool that lets you create and manage your existing jobs in just a matter of a few clicks.
The Job Composer App gives you the flexibility to copy and submit existing jobs to creating a template for a job and re-using them time and again.
Creating a template from an Existing Job:
Select the job by clicking the Job and then press the Create Template Button
It will redirect to you a new page in which you have to enter the Details of the Template
Click on the Save button after entering all the details.
Submitting a job from a Template:
Click on the button New Job and select the option From Template
It will take you to a new page to choose from the Templates.
Choose the template by clicking and click to button Create new Job
Once the job is created, it will redirect you to the Jobs page and will notify you.
To start the job click button Submit.
Also, have a look at How to view Active Jobs in OnDemand