trigger orderAccountTransactionUpdate on Account (before update) {

 OrderAccountTransaction  orderAccount = new OrderAccountTransaction();

 system.debug('inside trigger');

orderAccount.lstNewAccounts = Trigger.new;
orderAccount.lstOldAccounts = Trigger.old;

// Trigger Logic – Before Update

    if((Trigger.isAfter && Trigger.isUpdate) ) {
 
  orderAccount.check(Trigger.new, Trigger.oldMap);

    }
    
  }
 
 
  public class OrderAccountTransaction {

    public List<Account> lstNewAccounts = new List<Account>();
    public List<Account> lstOldAccounts = new List<Account>();
    
    public void check(List<Account> Accounts, Map<Id, Account> oldAccount) {
 
    Map<Id, Account> mapVerifyOldAccounts = new Map<Id, Account>();
    List<Order__c> createOrder = new List <Order__c> ();
    
       for(Account acc : Accounts){
            system.debug('Accounts' + Accounts);
            system.debug('oldAccount' + oldAccount);
          Account beforeUpdate = oldAccount.get(acc.Id);
           
          if(acc.Email!=beforeUpdate.Email) {
          
          NOT GOING INSIDE THIS
          
          system.debug('inside if');
              createOrder.add(new Order__c (Action__c  = 'insert',Status__c  = 'success'));
            }                             
    }
    try {
        insert createOrder;
    }
    catch (Exception Ex){
        system.debug(Ex);
    }


}

}