AB 테스트: 스크립트 만들기 step-5--creating-the-script

 // query the database to find the winner (best open rate)
   var winner = xtk.queryDef.create(
     <queryDef schema="nms:delivery" operation="get">
       <select>
         <node expr="@id"/>
         <node expr="@label"/>
         <node expr="[@operation-id]"/>
         <node expr="[@workflow-id]"/>
       </select>
       <where>
         <condition expr={"@FCP=0 and [@workflow-id]= " + instance.id}/>
       </where>
       <orderBy>
         <node expr="[indicators/@estimatedRecipientOpenRatio]" sortDesc="true"/>
       </orderBy>
     </queryDef>).ExecuteQuery()

   // create a new delivery object and initialize it by doing a copy of
   // the winner delivery
   var delivery = nms.delivery.create()
   delivery.Duplicate("nms:delivery|" + winner.@id)

   // append 'final' to the delivery label
   delivery.label = winner.@label + " final"

   // link the delivery to the operation to make sure it will be displayed in
   // the campaign dashboard. This attribute needs to be set manually here since
   // the Duplicate() method has reset it to its default value => 0
   delivery.operation_id = winner.@["operation-id"]
   delivery.workflow_id = winner.@["workflow-id"]

   // adjust some delivery parameters to make it compatible with the
   // "Prepare and start" option selected in the Delivery tab of this activity
   delivery.scheduling.validationMode = "manual"
   delivery.scheduling.delayed = 0

   // save the delivery in database
   delivery.save()

   // store the new delivery Id in event variables
   vars.deliveryId = delivery.id