Add custom rule to custom input

OrcidInput::make('orcid')
  ->rules(['required', new OrcidChecksum])
  ->columnSpan(6)
  ->required(),

class OrcidInput extends TextInput
{
    //@TODO: add validation logic incl. checksum for last character
    protected string $view = 'forms.components.orcid-input';

    public function getLabel(): string|Htmlable|null
    {
        return 'Full ORCID iD';
    }
    public function hasMask(): bool
    {
        return true;
    }

    public function getMask(): ?Mask
    {
        $mask = new Mask();

        $mask->pattern('****-****-****-****');

        return $this->evaluate($mask, [
            'mask' => app(TextInput\Mask::class),
        ]);
    }
}