title: How to auto-populate Close Date (End of this month) in Opportunity page in Salesforce
body: <p>I have a Requirement :</p>
  
  <p>After clicking on New Opportunity Button it will open Opportunity page with some fields auto populated 
  Like 
  1. Close Date: default to creation date plus 30 ?
  2. Opportunity Name:  default to ,  </p>
  
  <p>etc..</p>
  
  <p>Could you please help</p>