how to mutate data in record in relation in form

return $form
            ->schema([
//user table field...
...
       Fieldset::make('Metadata')
         ->relationship('metadata')
         ->schema([
                    Forms\Components\TextInput::make('experience')
                    ->required()
                    ->maxLength(255),
                 ]),

->actions([
                Tables\Actions\EditAction::make()->label('Edit')
                ->mutateRecordDataUsing(function (array $data): array {
                    dd($data);
      }