Without zipping the files into one archive, is it possible to sequentially send a number of files to download in the client's browser with one click? Something like as in the following code (which is not working, as it would seem we would additionally require to incorporate multiple 'default-response's to achieve the needed multiple http calls).
<transition name="downloadAll" read-only="true" >
<actions>
<entity-find entity-name="mantle.order.OrderContent" list="downloadList">
<econdition field-name="orderId" />
<econdition field-name="orderContentTypeEnumId" value="OrctPhoto" />
</entity-find>
<iterate list="downloadList" entry="photo">
<script>ec.web.sendResourceResponse(photo.contentLocation)</script>
</iterate>
</actions>
<default-response type="none" />
</transition>