URL
A URL string. If no default value is specified, a URL type defaults to an empty string. URLs are not delimited (i.e. quotes are not required).
URL attributes behave like string attributes. When displayed in a note's displayed attributes table, URL-type attributes show a globe icon before the attribute value. Pressing the icon opens that attribute's stored URL (if any) in the default web browser.
Links dropped on a URL-type Displayed Attribute populate that attribute; links dropped on any other data type Displayed Attributes populate the system $URL.
If using a local path to a file, e.g. to enable AutoFetch use, you must use the file:// protocol rather than a bare file path.