Access Control Lists (ACL) in Odoo — a practical guide to Odoo ACL ir.model.access with clear examples you can reuse in real projects.
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Short description
One line per group/model combination with boolean CRUD flags.
ACL CSV sketch
id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
access_library_book_user,library.book.user,model_library_book,group_library_user,1,1,1,0