Businesses using Nintex for Office 365 forms in their SharePoint list utilize Nintex's advanced workflow engine, Nintex Automation Cloud, to process new items created in SharePoint.
Most of the data entered into a Nintex for Office 365 form can be seamlessly handled in Nintex Automation Cloud. The repeating section control outputs in XML format, so it requires a little more processing to be used in your workflows.
The following video demonstrates how to parse the XML and create new individual items in a SharePoint Online list.