This is a video on how to use the file element in combination with the user input element to capture the email address of subscribers. The first step is to add a text element and connect it to the file element so that people can download the file after providing their email address. The second step is to add a text element and connect it to the user input element so that people can type their email address if they do not have it publicly available on their profile. The third step is to add a trigger and add the keyword "file" so that the flow gets triggered again.