Morphed table not filling in form

public function sellingPoint(): MorphOne
{
    return $this->morphOne(SellingPoint::class, 'morph');
}

 Forms\Components\TextInput::make('sellingPoint.name')
     ->reactive()
     ->afterStateUpdated(function (?VendingMachine $record, $state) {
         $record?->sellingPoint?->update([
             'name' => $state
         ]);
     }),

Tables\Columns\TextColumn::make('sellingPoint.name')->label('Name')->searchable(),