Adding links to dashboard objects with "specific match" functionality i.e. underlying dataviews with warning/critical severities, can be achieved by using an X-Path URL.
To do this, upon adding an object on the dashboard, right click on the object and select properties. On the Object Attributes dialog box, select Links on the left hand pane and from here you will be able to add links.
In the example below, you can add an X-Path that matches all dataviews with a severity of Critical or Warning:
The X-Path used above is as follows:
Upon double clicking (or using the right click context menu to select the link), a Search dockable will present you with the matching dataviews: