// Important !!!
use Outhebox\NovaFieldsAgent\HasNovaFieldsAgent;

class Example extends Resource
{
    use HasNovaFieldsAgent; // Important !!!

    /**
     * Get the fields displayed by the resource.
     *
     * @param  \Illuminate\Http\Request  $requestµµ
     * @return array
     */
    public function fields(Request $request)
    {
        Text::make('ExampleField')
            ->hideFromDetailOnMobile() // Hide the field from details page on Mobile
            ->hideFromDetailOnTablet() // Hide the field from details page on Tablet
            ->HideFromIndexOnMobile() // Hide the field from index on Mobile
            ->HideFromIndexOnTablet() // Hide the field from index on Tablet
            ->sortable(),
    }
}