# openstack  role list
+----------------------------------+------------------+
| ID                               | Name             |
+----------------------------------+------------------+
| 4ef3a9b020c447aaa7a584a5d6f53eaf | admin            |
| 5402b1e7e2fb4eeebd765fbda0b21a1a | heat_stack_owner |
| 5d9cff447e89435d88fe1c1ee519d81f | user             |
| e615507f73e5487887ac9cbdcda338d3 | heat_stack_user  |
+----------------------------------+------------------+

Note
The Orchestration service automatically assigns the heat_stack_user role to users that it creates during stack deployment. By default, this role restricts API operations. To avoid conflicts, do not add this role to users with the heat_stack_owner role.