Attach relation manager

class OrganizersRelationManager extends RelationManager
{
    protected static string $relationship = 'organizers';

    public function table(Table $table): Table
    {
        return $table
            ->recordTitleAttribute('name')
            ->columns([
                Tables\Columns\TextColumn::make('name'),
            ])
            ->filters([
                //
            ])
            ->headerActions([
                Tables\Actions\AttachAction::make(),
            ])
            ->actions([
                Tables\Actions\DetachAction::make(),
            ])
            ->bulkActions([
                Tables\Actions\BulkActionGroup::make([
                    Tables\Actions\DetachBulkAction::make(),
                ]),
            ]);
    }
}

public function organizers()
    {
        return $this->belongsToMany(Customer::class,'event_organizer', 'event_id', 'customer_id');
    }

public function organizers()
    {
        return $this->belongsToMany(Event::class,'event_organizer', 'customer_id', 'event_id');
    }