user accses level

hello
How creat user accses level(block delete study or other accses) in orthance pacs server

This is explained in the Orthanc Book:
http://book.orthanc-server.com/faq/security.html

Hi,May you help me?
where set this command ?
which configuration file?
thanks.

Please read the Orthanc Book:
https://book.orthanc-server.com/users/configuration.html