Hey guys, today in this post we are going to learn about How to Write a Apex trigger to Add the Contact First Name and Last Name to Account Custom Field Whenever the Contact inserted or Updated in Salesforce.
Files we used in this post example
| ContactAccountTrigger.apxt | Apex Class Trigger | It will be fired whenever Contact Record is inserted Or updated |
|
Parent Object:- Account |
Parent Object (Account) | Trigger on Contact and updae the Associted Account Custom Field (updateContact__c) |
|
Child Object:- Contact |
Child Object (Contact) | It is child object and associated with Account Object. |
Final Output
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Create Apex Class Trigger Controller
Step 1:- Create Apex Class : ContactAccountTrigger.apxt
From Developer Console >> File >> New >> Apex Class
ContactAccountTrigger.apxt [Apex Class Controller]
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trigger ContactAccountTrigger on Contact (before insert, before update, after insert, after update) { List<Contact> conList =new List<Contact>(); Set<Id> setid = new Set<Id>(); if(trigger.isBefore){ system.debug('trigger before event'); conList = trigger.new; }else if(trigger.isAfter){ conList=trigger.new; for(Contact con:conList){ setid.add(con.AccountId); } system.debug('setid ' + setid); List<Account> accList = [Select Id, Name, updateContact__c From Account Where Id=:setid]; if(trigger.isInsert){ for(Contact c1:trigger.new){ for(Account a1:accList){ a1.updateContact__c= c1.FirstName + ' ' + c1.LastName; update a1; } } }else if(trigger.isUpdate){ for(Contact c2:trigger.new){ for(Account a2:accList){ a2.updateContact__c= c2.FirstName + ' ' + c2.LastName; update a2; } } } } } |
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