title: I can not able to understand myAccountTrigger on Account Object I have provided the link to my problem
body: <p>I can not able to understand myAccountTrigger provided on this link please help me through this
  Below is the Link</p>
  <p><a href="https://developer.salesforce.com/docs/atlas.en-us.224.0.apexcode.meta/apexcode/apex_triggers_context_variables.htm" rel="nofollow noreferrer">https://developer.salesforce.com/docs/atlas.en-us.224.0.apexcode.meta/apexcode/apex_triggers_context_variables.htm</a></p>