This shows what can be done

When you click yes - an additional field should appear

A note field with HTML

Please make sure the HTML is valid

Date and time inputs will not work as expected on older browsers (IE and old Safari) - but they will show as normal text fields. If you want to add any min, max or default functionality (like not allowing dates in the past) to these fields (see the MDN docs) you can do it with scripts.
Any files uploaded are zipped and kept out of harms way. File uploads are limited to 2MB - that is done automatically - as is the validation messaging around itMaximum file size is 2000KB

This shows what can be done

When you click yes - an additional field should appear

A note field with HTML

Please make sure the HTML is valid

Date and time inputs will not work as expected on older browsers (IE and old Safari) - but they will show as normal text fields. If you want to add any min, max or default functionality (like not allowing dates in the past) to these fields (see the MDN docs) you can do it with scripts.
Any files uploaded are zipped and kept out of harms way. File uploads are limited to 2MB - that is done automatically - as is the validation messaging around itMaximum file size is 2000KB