Hi @NHCreativeEmailMarketer. There isn't a universal code for an inline or embedded sign-up form from the legacy editor. If this was a legacy landing page, you can copy the URL by going to Marketing Campaigns > click the three dots > Legacy Landing Pages > Actions > Form URL. If you had a legacy inline form, it needs to be created using the newer editor which provides you with the universal code. We are not able to assist with modifying the universal code. Any edits must be done by you or a webmaster.
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