CheckboxList inside a Fieldset not saving relationship

public static function getForm(): array
    {
        return [
            Fieldset::make('Asset Information')
                ->schema([
                    Select::make('client_id')
                        ->label('Client')
                        ->relationship('client', 'name')
                        ->columnSpanFull()
                        ->searchable()
                        ->preload()
                        ->required(),

                    TextInput::make('name')
                        ->label('Asset Name')
                        ->required(),
                ]),

            Fieldset::make('Asset Watchers')
                ->visible(fn ($record) => is_null($record))
                ->schema([
                    CheckboxList::make('users')
                        ->label('Team members')
                        ->relationship('users', 'name')
                        ->bulkToggleable()
                        ->columnSpanFull()
                        ->searchable()
                        ->required()
                        ->columns(3)
                        ->gridDirection('row')
                        ->hint('Team members that will be notified near expiration')
                        ->searchPrompt('Search for a team member'),
                ]),
        ];
    }