id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
access_project_sprint_user,project.sprint.user,model_project_sprint,project.group_project_user,1,0,0,0
access_project_sprint_admin,project.sprint.admin,model_project_sprint,project.group_project_manager,1,1,1,1