Show API Token after creation

class TokensRelationManager extends RelationManager
{
    protected static string $relationship = 'tokens';

    #[Locked] 
    public ?string $plainTextToken = null;

    public function form(Form $form): Form
    {
        return $form
            ->schema([
                TextInput::make('name')
                    ->required()
                    ->maxLength(255),
                TextInput::make('abilities')
                    ->required(),
                TextInput::make('plainTextToken')
                    ->readOnly()
                    ->autocomplete(false)
                    ->label('Token')
                    ->columnSpanFull()
                    ->visible(fn () => $this->plainTextToken !== null)
                    ->formatStateUsing(fn () => $this->plainTextToken)
                    ->live(),
            ]);
    }

....
    public function table(Table $table): Table
    {
        return $table
            ...
            ->headerActions([
                CreateAction::make('createToken')
                    ->action(function (CreateAction $action, RelationManager $livewire, array $data) {
                        $device = $livewire->ownerRecord;
                        $this->plainTextToken = $device->createToken($data['name'], explode(',', $data['abilities']))->plainTextToken;
                        $action->halt();
                    })
            ]);
    }