Creating a webform: Give each submittable element a unique name attribute?

I don’t get this.
Creating a webform Step 40: Give each submittable element a unique name attribute?
The hint I get: You should give the file a name attribute. PS I would have chosen file Tried every possible way but I have no idea where to put the code?
Help is appreciated!

Hello there,

It is difficult to help without a link to the challenge, or your code.

If you have a question about a specific challenge as it relates to your written code for that challenge, just click the Ask for Help button located on the challenge. It will create a new topic with all code you have written and include a link to the challenge also. You will still be able to ask any questions in the post before submitting it to the forum.

Thank you.

they are referring to the input element of type file .

(it is the one in the preview panel that lets the user load a profile picture)