Prefill Wix Booking Forms with Data From Session Storage

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1

I have a multistep form which then directs the user to book an appointment with Wix Booking. I want to have the Wix Booking Form (email, name , phone number) be automatically filled out by information entered in the previous form. I can’t select the ID of the form because Wix Booking is an iframe.

I think Wix Booking prefills the form the values in “dynamicFormData” under session storage under bookings.wixapps. net. I can only save and retrieve from session under my website domain.

  1. Is there a way I can access session storage of bookings.wixapps. net from my Wix code?

  2. Is there a way I can retrieve and set the dynamicFormData object?

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This is what the input tag looks like.

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