List<Messaging.SingleEmailMessage> mails =  new List<Messaging.SingleEmailMessage>();
        for(ccrz__E_Order__c order : [Select Name,SAP_Order_Number__c,ccrz__TotalAmount__c,Id,ccrz__OriginatedCart__r.Name,ccrz__User__r.Name from ccrz__E_Order__c where id in: orderLst]){
             Messaging.SingleEmailMessage mail = new Messaging.SingleEmailMessage();
             List<String> sendTo = new List<String>();
             List<String> orderItem = new List<String>();
             for(ccrz__E_OrderItem__c line:orderItemMap.get(order.Id)){
                 orderItem.add(line.Name);
               }
             //sendTo.add(order.ccrz__Contact__r.email);
             sendTo.add('test1@test.com');
             mail.setToAddresses(sendTo);
             mail.setReplyTo('test1@test.com');
             mail.setSenderDisplayName('test');
             mail.setSubject('Order Failed :'+ order.SAP_Order_Number__c);
             String body = 'Hi Team, <br/><br/> Order has been failed. Please find the below Order Detail : <br/> <br/>' +
                            'Order Number :' + order.SAP_Order_Number__c +
                            '<br/> Cart ID : '+ order.ccrz__OriginatedCart__r.Name +
                            '<br/> Total Amount  : '+ order.ccrz__TotalAmount__c +
                            '<br/> Registered User  : '+ order.ccrz__User__r.Name+
                            '<br/> Order Line Items  : '+ orderItem ;
                            
              
                           
             mail.setHtmlBody(body);
             mails.add(mail);
        }