How to use toggle column to update pivot table?

id, name

id, name

....
  public function users()
    {
        return $this->belongsToMany(User::class, 'product_user_fav');
    }

user_id, product_id

   public static function table(Table $table): Table
    {
        return $table
            ->columns([
                Tables\Columns\TextColumn::make('title')
                    ->label('Name'),
                Tables\Columns\ToggleColumn::make('?')
                    ->label('Fav'),
            ])
            ->filters([
            ])
            ->actions([
                Tables\Actions\EditAction::make(),
            ])
            ->bulkActions([
                Tables\Actions\BulkActionGroup::make([
                    Tables\Actions\DeleteBulkAction::make(),
                ]),
            ])
            ->recordUrl(null);
    }