StreamActionURL
This tag is a part of the Action Streams plugin bundled with Movable Type 4.25 and higher.
Provides the URL of the web asset associated with the current stream action.
Example:
<mt:ActionStreams lastn="10">
<li>
<a href="<mt:StreamActionURL escape="html">"><mt:StreamActionTitle></a>
</li>
</mt:ActionStreams>