Populate Recent Opportunity Amount on Account

This trigger updates an Account’s “Recent Opportunity Amount” field with the amount of the most recently created Opportunity linked to it. It ensures accounts always reflect the latest Opportunity values.

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Solution:

trigger OpportunityTrigger on Opportunity (after insert) {

            if(Trigger.isInsert){ if(Trigger.isAfter){
                 OpportunityTriggerHandler.populateAmount(Trigger.New);
           }
      }
}
   public class OpportunityTriggerHandler {

           public static void populateAmount(List
                   oppList){ List<Account> accList= new List<Account>(); for(Opportunity
                   opp:oppList){ if(opp.Amount!=null && opp.AccountId!=null){ Account acc =
                   new Account(); acc.Id=opp.AccountId;
                   acc.Recent_Opp_Amount__c=opp.Amount;
                   accList.add(acc);
            }
   }
                           if(!accList.isEmpty()){
                                update accList;
               }
       }
}