Semantic Calendaring - Linking: Bookmark

A permalink (bookmark) to the enclosing component.

External Referencing

A bookmark link may be useful for providing a portable link to the original source of a component. Such a link SHOULD be accessible from anywhere and return the same result (i.e. the original component).

A bookmark link may also be used in conjunction with a hub link in order to subscribe to a WebSub topic providing updates to the specified component.

LINK vs SOURCE

The following table outlines differences between a bookmark LINK and SOURCE property.

Feature	LINK	SOURCE
Per component	Yes	No
Label support	Yes	No

Examples

LINK;LINKREL="bookmark";VALUE=URI:https://example.com/tasks/01234567-abcd1234.ics