Get value from another Grid relationship

Grid::make()
->columns(2)
->schema([
    Grid::make()
        ->columns(1)
        ->relationship('options')
        ->schema([
            Checkbox::make('link_in_published')
                ->label(__('Aceptan enlace en artículo publicado'))
                ->live(),
        ]),
    Grid::make()
        ->columns(1)
        ->relationship('prices')
        ->schema([
            TextInput::make('cost_price_link_in_published')
                ->label(__('Precio de enlace en artículo publicado'))
                ->reactive()
                ->visible(fn(Get $get) => $get('link_in_published'))
                ->required(fn(Get $get): bool => $get('link_in_published')),
        ]),
]),