GlideForm: addDecoration(String fieldName, String icon, String title)
Adding an icon and Hover text to a field on incident form.
Client script:
Incident form -Assigned to field with Icon & hover text
Note: All icon supported - https://developer.servicenow.com/dev.do#!/reference/api/tokyo/client/c_GlideFormAPI#r_GlideFormAddDecoration_String_String_String
Icon library: https://INSTANCE URL.service-now.com/styles/retina_icons/retina_icons.html
