How can my end user launch/initiate/send the Supplier Self-Service Registration link to the supplier

Summary:

Looking at the new Redwood Supplier Self-Service Registration and the latest customer cloud connect recording, it's not clear to me how an end user can launch/initiate/send the registration link to the supplier.

Content (please ensure you mask any confidential information):

One gap I've observed with the current External HTML registration is that there is no way to determine who from my company asked for that supplier to be registered. So if someone in Category Management gives the URL to the supplier, and the supplier completes the reg form and submits, when it comes in to our first level approver, they have no idea who from within our Company is wanting to onboard that supplier. So we're not able to ask the internal contact why they need that supplier, and also not able to validate if the supplier got