Register Supplier Verficaition ID

Summary

1. What is the register-supplier-verficaition?id that is appended to the registration url for Next Generation Supplier Self Service Registration
2. How do we get the value that is the register-supplier-verification?id as we need to utilise it in our current functionality

Content (please ensure you mask any confidential information):

Version (include the version you are using, if applicable):

Code Snippet (add any code snippets that support your topic, if applicable):