TNEW Source Codes and Marketing Site

Hello all,

If you're sending a Wordfly email, but the CTA button goes to a page on your marketing site, then has a CTA to TNEW that order and revenue are going to be attributed to the default TNEW source code. Does anybody know if there is a way to get the source code generated by Wordfly to apply to the subsequent TNEW session or should you just always try to send folks into a purchase path on TNEW whenever possible? Maybe this is a custom site thing. Thanks for your help.

Thanks, Greg