?prefill_tagname=value
yourdomain.com/form?prefill_NAME=John
?prefill_NAME=John&[email protected]
?prefill_multiselect=value1,value3
?prefill_datefield=mm-dd-yyyy (e.g. 08-24-2021) ?prefill_datetimefield=mm-dd-yy/HH:MM (e.g. 08-24-2021/01:30)
?prefill_checkbox=true