AccountAddressTrigger

trigger AccountAddressTrigger on Account (before insert, before update) {
    // Get the List of accounts
    //List<Account> newAccts = new List<Account>(
    //[SELECT Id,Match_Billing_Address__c,BillingPostalCode,ShippingPostalCode FROM Account WHERE Id IN :newAccts]);
    
    for(Account alice : Trigger.New) {
        if (alice.Match_Billing_Address__c == true) {
           alice.ShippingPostalCode = alice.BillingPostalCode;
            
        }
    }
        
    
}