Write a Apex trigger to Add the Contact First Name and Last Name to Associated Account Custom Field Whenever the Contact inserted or Updated in Salesforce

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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.

➡ Real time scenarios:- Write a trigger on Contact and Add First Name and Last Name of Contact to Associated Account Custom Field Whenever Contact record is Inserted or Updated.

Don’t forget to check out:- Apex Trigger on Contact to Create Account Automatically and map to related account Id to Contact Whenever New Contact is Created in Salesforce Click Here For More Information

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

Add the Contact First Name and Last Name to Account Custom Field -- w3web.net

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Step 1:- Create Apex Class : ContactAccountTrigger.apxt

From Developer Console >> File >> New >> Apex Class

ContactAccountTrigger.apxt [Apex Class Controller]

 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;
                }   
            }             
        }        
         
    }
}