->mutateRelationshipDataBeforeFillUsing(function (array $data) use ($form) {
    $data['password'] = $form->getRecord()->websiteMailSetting->password;

    return $data;
})

->mutateRelationshipDataBeforeFillUsing(function (array $data) use ($form) {
    $data['password'] = $form->getRecord()->websiteMailSetting->password;

    return $data;
})

Grid::make()
  ->relationship('websiteMailSetting')
   ->schema([
      TextInput::make('password')
          ->label('Wachtwoord')
          ->required(),
    ]),

Grid::make()
  ->relationship('websiteMailSetting')
   ->schema([
      TextInput::make('password')
          ->label('Wachtwoord')
          ->required(),
    ]),

  protected $hidden = [
      'password',
  ];

  protected $hidden = [
      'password',
  ];

TextInput::make('password')
    ->label('Wachtwoord')
    ->password()
    ->revealable()
    ->required(),

TextInput::make('password')
    ->label('Wachtwoord')
    ->password()
    ->revealable()
    ->required(),

protected $casts = [
    'password' => 'encrypted',
];

protected $casts = [
    'password' => 'encrypted',
];