Hidden fields in Lead Generation Forms allow you to create and track additional fields in your Leads reports. These fields can be especially helpful if you’re using a third-party marketing automation platform to manage your leads.
Adding hidden fields to your Lead Gen Forms enables you to track and understand key aspects such as the performance of your channels, assets, forms, and campaigns.
Important: Members won’t see hidden fields within the Lead Gen Form. The fields are for reporting and testing purposes only. Hidden fields don’t capture or convey any member data.