I want to listen to the callback event " signature_request_all_signed " - how do I code this?
After that I then will use the below code to GET the completed document:
$client = new HelloSign\Client(‘SIGN_IN_AND_CREATE_API_KEY_FIRST’);
$client->getFiles(‘fa5c8a0b0f492d768749333ad6fcc214c111e967’, $dest_file_path, HelloSign\SignatureRequest::FILE_TYPE_PDF);
Documentation is here https://app.hellosign.com/api/signatureRequestWalkthrough#GetStatus