It's never been easier to work with Users and Groups in Azure AD B2C. And it's about time.
m/en-us/previous-versions/azure/ad/graph/api/api-catalog) in favor of the new one.
The CLI tool and new EPS Extensions library are in the process of getting created for easing the use of creating and managing Users and Groups in the directory, so if you're looking for a good reference on how to get started, well, we don't mean to brag, but we've got the most accurate depiction you're going to find outside of a wild Google search right now.
Looking for help building or integrating your web application with Azure AD B2C? Contact us for a quote - not only is it free, but we can help you find what you're looking for at a better price than most consulting firms!