Every week i have to manually put date range, is there any why that i can automate date range. suppose my date range be like 'Yesterday' and '10DaysAgo' I want that my below code will automatically consider system date and work accordingly. I am using this code to pull data from silverpop. This code is provided by IBM Silverpop worksheet http://www.bbcknowledge.com/extensions/bbcww_newsletter_form_component/frontend/assets/style/7.4%20API%20Test%20Harness%20and%20Documentation/XML%20API%20Definition%20for%20Recipient%20and%20User%20Actions.pdf (Page 90)
<?xml version=\"1.0\" encoding=\"windows-1252\"?>
<Envelope>\r\n
<Body>\r\n
<GetAggregateTrackingForOrg>\r\n
<DATE_START>02/19/2017 00:00:00</DATE_START>\r\n
<DATE_END>02/25/2017 23:59:59</DATE_END>\r\n
</GetAggregateTrackingForOrg>\r\n
</Body>\r\n
</Envelope>"