Details
Returns a string of a randomly generated UID (Unique ID).
This string will always start with "WKGUID" to allow the UID to be used in element IDs.
<div id="WKGUID9d20df505b9f22906e7e5db8a129d6f2">
Example
var UID = system.guid();
UID //WKGUID9d20df505b9f22906e7e5db8a129d6f2