DrawElement: FormElementRequired & FormElementReadOnly & FormElementBinaryStorage & {
    defaultValue?: FormSubmissionAttachment;
    type: "draw";
}

An element to allow the user to supply a drawing (usually used to allow the user to supply a signature).

The element must have an id property that contains a universally unique identifier (UUID). The identifier must be a Version 4 (V4) UUID and must conform to the formatting requirements defined in this RFC 9562 specification: https://www.rfc-editor.org/rfc/rfc9562.html