Attach Video Greeting Help using PDFfiller PHP Client

After you've created a fillable form, you can easily embed a greeting video to introduce recipients to your document's contents. Videos help recipients to complete the document properly and will navigate them through the fields they need to fill.
          
              
                    PDFfiller\OAuth2\Client\Provider\Document::createConstructor();

$document = Document::one($provider, 12345678);

$hashDocument = $document->createConstructor();