I needed test the assignment of built in roles but this field is not included on filters:

[root@****** ~]# hammer -u ****** -p ****** role filters -h
Usage:
    hammer role filters [OPTIONS]

Options:
 --id ID                       User role id
 --name NAME                   User role name
 --order ORDER                 sort results
 --page PAGE                   paginate results
 --per-page PER_PAGE           number of entries per request
 -h, --help                    print help
[root@****** ~]# hammer -u ****** -p ****** role info --id 9
Id:      9
Name:    View hosts
Builtin: No

So I checked if listing includes built info, so I could filter them after listing them all, but this info isn't there:

[root@****** ~]# hammer -u ****** -p ****** role list 
---|---------------------------------------------------------------------------------
ID | NAME                                                                            
---|---------------------------------------------------------------------------------
61 | 38324258316265092573470022                                                      
81 | 4SYd2i                                                                          
6  | Access Insights Admin                                                           
5  | Access Insights Viewer

So only way to accomplish that would be retrieving all roles and querying each one info by id to get this info, what would take longer than it need to.

So would be good having the possibility of filtering roles accordingly to its built in info.