Trying to send multiple documents in Sendgrid Notification Email from a custom form

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I have 6 upload buttons on my custom form for document files (not images). My sendgrid email is working and sends all the necessary fields and one document URL. However, when someone submits more than 1 document, it still only displays 1 document. Here is my code. I read something about having different matches for each field. Is this the problem?

import { sendEmailBusiness } from ‘backend/emailBusiness’ ;

$w . onReady ( function () {
$w ( “#dataset1” ). onAfterSave ( sendFormData );
});

function sendFormData ( ) {
const convertRegex = new RegExp ( /wix:document://v1/([^/]+)/(.*)$/ );
const item = $w ( “#dataset1” ). getCurrentItem ();
const matches = item . jobDescription . match ( convertRegex );
const documentUrl = docs.wixstatic.com/ugd/ ${ matches [ 1 ]} ?dn= ${ matches [ 2 ]};
const subject = Summer Youth Employment Program Worksite Application Form from ${ escape ( $w ( "#worksiteName" ). value )};

const body = `Contact Person: ${ escape ( $w ( “#contactPerson” ). value )}

</br><b>Contact Title:</b>  ${ escape ( $w ( "#contactTitle" ). value )} 
 </br><b>Supervisor Name:</b>  ${ escape ( $w ( "#supervisor" ). value )} 
</br><b>Supervisor Title:</b>  ${ escape ( $w ( "#supervisorTitle" ). value )} 
</br><b>Worksite:</b>  ${ escape ( $w ( "#worksiteName" ). value )} 
</br><b>Worksite Address:</b>  ${ escape ( $w ( "#worksiteAddress" ). value )} 
</br><b>Supervisor Phone:</b>  ${ escape ( $w ( "#supervisorPhone" ). value )} 
</br><b>Supervisor Email:</b>  ${ escape ( $w ( "#supervisorEmail" ). value )} 
</br><b>Date:</b>  ${ $w ( "#datePicker1" ). value } 
</br><b>Business Sector:</b>  ${ escape ( $w ( "#radioGroup1" ). value )} 
</br><b>If School District, can you take on youth participants that are not currently enrolled in any of the applicant’s schools:</b>  ${ escape ( $w ( "#radioGroup2" ). value )} 
</br><b>Industry</b>  ${ $w ( "#checkboxGroup1" ). value } 
</br><b>Other Industry:</b>  ${ escape ( $w ( "#input8" ). value )} 
</br><b>Has organization been subject to an investigation:</b>  ${ escape ( $w ( "#radioQuestion3" ). value )} 
 </br><b>Is worksite child-care related?:</b>  ${ escape ( $w ( "#radioQuestion4" ). value )} 
  </br><b>Will participants work outside?:</b>  ${ escape ( $w ( "#radioQuestion5" ). value )} 
</br><b>Will participants work on community service projects?:</b>  ${ escape ( $w ( "#radioQuestion6" ). value )} 
 </br><b>Will youth handle dangerous tools?:</b>  ${ escape ( $w ( "#radioQuestion7" ). value )} 
 </br><b>Is youth background check required?:</b>  ${ escape ( $w ( "#radioBackgroundCheck" ). value )} 
 </br><b>Can your business hire individuals who are 16 and 17 years of age?:</b>  ${ escape ( $w ( "#radioQuestion9" ). value )} 
 </br><b>Job Description file:</b>  ${ documentUrl } 
 </br><b>Number of youth you can accomodate</b>  ${ escape ( $w ( "#input9" ). value )} 
` ;

const recipient = $w ( “#supervisorEmail” ). value ;

sendEmailBusiness ( subject , body )
. then ( response => console . log ( response ));
}

I appreciate your help in advance