View source for Miscellaneous Config Options/get users owned eprints

== Example ==
 $c->{get_users_owned_eprints} = sub 
 {
     my( $session, $user, %opts ) = @_;
     # for non-editorial accounts, return the normal list
     if( $user->get_type ne "editor" )
     {
         return $user->owned_eprints_list_actual( %opts );
     }
     # only interested in editor accounts now
     # allow editors to see their items, and items from a specific userid e.g. 99999
     my $extra_userid = 99999;
     my $searchexp = $opts{dataset}->prepare_search( %opts );
     $searchexp->add_field( $opts{dataset}->field( "userid" ), $user->id . " $extra_userid", "IN", "ANY" );
     return $searchexp->perform_search;
 };