ManyToMany Relationship Attach Action on Custom Table

public function table(Table $table): Table
    {
        $merchant = MerchantResolver::resolveMerchant();

        return $table
            ->relationship(fn (): BelongsToMany => $merchant->paymentChannels())
            ->inverseRelationship('merchants')
            ->columns([
                TextColumn::make('name'),
                TextColumn::make('code'),
            ])
            ->actions([
                DetachAction::make(),
            ])
            ->headerActions([
                AttachAction::make()
                    ->recordTitle(fn (\App\Features\PaymentChannel\Models\PaymentChannel $record): string => $record->name),
            ]);
    }