Passing Hidden Values into an Embedded Typeform

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Hey everyone 👋

I'm trying to pass hidden values into a Typeform that's embedded on a regular Squarespace page (see example). I've successfully embedded the form onto the site but I don't know what to write in the code injection part for the form to accept values from the URL.

I found these instructions in Typeform's help center but it doesn't help that much.

I would much appreciate and help and/or tips to figure this out. Thanks!

I have the same issue, I'd like to know if you found any solution to this.