# Create a group object to get owners and members
my $group_object = MsGroup->new(
    'app_id'        => $config{'APP_ID'},
    'app_secret'    => $config{'APP_PASS'},
    'tenant_id'     => $config{'TENANT_ID'},
    'login_endpoint'=> $config{'LOGIN_ENDPOINT'},
    'graph_endpoint'=> $config{'GRAPH_ENDPOINT'},
    'select'        => '$select=id,displayName,userPrincipalName',
    'id'            => $group->{'id'},
);
# Get the owners
my $owners = $group_object->fetch_owners();
# $owners is een AOH
foreach my $owner (@$owners){
  # do something usefull with the owner
}
# Get the members
my $members = $group_object->fetch_members();
# $members is een AOH
foreach my $member (@$members){
  # do something usefull with the members    }
}