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Pri Taunk Apex trigger to update a custom field on the account object based on the custom object line items
Hi
I'm trying to write a trigger to update a custom text field on the account object based on the line items (Name field) from a custom object that's linked to the account object. I want the values on the custom text field to be updated as an when line items are added / edited to the custom object or even deleted.
I'm quite new to apex so any guidance will be helpful, thanks
I'm trying to write a trigger to update a custom text field on the account object based on the line items (Name field) from a custom object that's linked to the account object. I want the values on the custom text field to be updated as an when line items are added / edited to the custom object or even deleted.
I'm quite new to apex so any guidance will be helpful, thanks
https://trailhead.salesforce.com/en/modules/apex_triggers/units/apex_triggers_intro
And a rough framework for such trigger:
trigger MyTrigger on MyCustomObject__c (after insert, after update, before delete) { Map<Id, String> mapOfAccountToUpdate = new Map<Id, String>(); for (MyCustomObject__c obj : Trigger.New) { if (Trigger.isDelete) { mapOfAccountToUpdate.put(obj.AccountLookupField__c, ''); } else { mapOfAccountToUpdate.put(obj.AccountLookupField__c, obj.Name); } } List<Account> accountsToUpdate = new List<Account>(); for (Id accountId : mapOfAccountToUpdate.keySet()) { Account newAccountToUpdate = new Account(); newAccountToUpdate.Id = accountId; newAccountToUpdate.MyCustomTextField__c = mapOfAccountToUpdate.get(accountId); accountsToUpdat.add(newAccountToUpdate); } if (!accountToUpdate.isEmpty()) update accountsToUpdate; }Note, this is just a rough work of the basic trigger and is just a quick sample of how one might do it, normally we'd have handler class for proper trigger logic implementation segregation but that's more complex than is necessary here.