
The application fields can be added as query params to the link that is shared with candidates. These will be pre-filled in the form and will not be allowed to be change
Here are the query params accepted. All these parameters are optional.
lang : For the language. Accepted values are the languages available in the language change option at the bottom of each application page. Eg. EN, ES, etc.
Application fields first_name last_name email custom (for the custom field value - available under addition settings at the bottom of the edit job screen)

Here's an example link https://app.hirevire.com/applications/3753fb41-ab86-456e-9973-7da38f6ce326?lang=EN&first_name=Testing&last_name=Screening&[email protected]
You can use these custom shared links for tracking purposes. This feature is available on all plans.