let dataToUpdate = [ "certificationsList" : FieldValue.arrayUnion ( [[ "company": certificate.company, "title" : certificate.title, "startDate" : startDate1, "endDate" : endDate1 ]]) ]
Preview:
downloadDownload PNG
downloadDownload JPEG
downloadDownload SVG
Tip: You can change the style, width & colours of the snippet with the inspect tool before clicking Download!
Click to optimize width for Twitter