set TextInput placeholder attribute live from other field

$form
    ->schema([
        TextInput::make('title')
            ->required(),
        ...
        TextInput::make('seo_page_title')
            ->placeholder('This should reflect the "title" field to indicate default will be "title" if this field is empty.')

$form
    ->schema([
        TextInput::make('title')
            ->required(),
        ...
        TextInput::make('seo_page_title')
            ->placeholder('This should reflect the "title" field to indicate default will be "title" if this field is empty.')