Oracle Integration Cloud Basics - Data Stitch

In this video we take a very quick look at the "data stitch" action functionality in OIC.

[abhinavpandey]

Hi,
I have stiched payload and send it to target inside a loop.After sending the stitched payload, my loop start again and wanted to create fresh stitch with new set of values and invoke target with new set of values only.
But when stitching starts again, old set of values also getting stitched along with the new stitched value. How we can null previous values as well as element so we can invoke target again with new stitched value only ?