my @response = ();

        if ( C4::Context->preference('AllowHoldPolicyOverride') ) {

            my $libraries_rs = Koha::Libraries->search( { pickup_location => 1 } );

            my $libraries    = $c->objects->search($libraries_rs);

            @response = map {

                my $library = $_;

                $library->{needs_override} = (

                    any { $_->{library_id} eq $library->{library_id} }

                    @{$pickup_locations}

                  )

                  ? Mojo::JSON->false

                  : Mojo::JSON->true;

                $library;

            } @{$libraries};

            return $c->render(

                status  => 200,

                openapi => \@response

            );

        }

        @response = map { $_->{needs_override} = Mojo::JSON->false; $_; } @{$pickup_locations};

    },

    "needs_override": {

        "type": "boolean",

        "description": "If the library needs an override to act as pickup location for a hold"