I should do a project where I can add companies, categories and items (products) to the categories in the backend.
For the company data I want to extend user or want to use the memberprofiles module.
For categories and products I want to create own pagetypes with own fields ...
If all this is done, it's no problem to use this with the admin account, but how it's possible to let every user login to backend
and edit his data (profile, adding, editing products)?
is there a good doc where I can see how to add permissions to my content types?