Tell me how to implement the functionality of such a sample. On a separate page there is a form with any fields 2 or more and a submit button. I will use this example to implement. https://magento.stackexchange.com/a/201816/83080
But here is the difficulty. There are also elements with checkboxes on the page, they need to be selected and sent along with the form by 2 email. Customer and Administrator.
Tell me how to implement this or Mb someone was see examples of such an implementation, at least partial, I will be grateful for any help