By default phd5 creates an admin user which user full access to the application.
Here you can manage the particular users roles and authorizations or create new users.
There are 4 different kinds of Users:
Has full access to the CMS, but limited backend access
For Prototype work.
Has full backend access.
Is an unauthenticated user
Authorizations should combined in roles and those should be assigned to users. Depending on the module, you need to use permissions and/or route Access.
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