<factlink 123123.0 />

Creates a link to the fact specified by that id. The link text is the title of that fact.

<factlink 123123.0>Custom Text</factlink>

Creates a link to the fact specified by that id.  When using the end factlink tag you can specify a custom link text.

factlink setlang

<factlink 123123.0 setlang="SysLangname" />

Use the setlang property to change the current language of the platform when clicking on the link. At the same time you will go to the specified fact.

See example: change the current language