title: salesforce trigger or schedule invoke after a period of time
body: <p>I looked into salesforce trigger and scheduler is there any way i can create a scheduler to repeat itself for an hour or the time i configured in the screen.
  Schedule should stop automatically after the given time.
  inputs will be </p>
  
  <p>Start time<br> 
  Frequency<br>
  End time(This where the schedule should stop executing)</p>
  
  <p>if you can provide a sample code will be great</p>