Dispatch event from afterStateUpdated to another field?

Builder::make('content')
->blocks(
PageBlocks::make())
->live()
->afterStateUpdated(function(Get $get, Set $set, Livewire $livewire) {
  $livewire->dispatch('updateData', $get('content'));
  $set('preview', $get('content'));
}),

    #[On('updateData')]
    public function updateData(array $data)
    {
        dd($data);
    }