Mariano has coverage of the new SmartList Designer: a nice addition to Microsoft Dynamics GP 2013 SP2.
The Dynamics GP Blogster: SmartList Designer: a nice addition to Microsoft Dynamics GP 2013 SP2
Reporting & BIMicrosoft & the GP EcosystemGP 2013
Archived post from 2013. Dynamics GP and the links it points to have changed since; check current documentation before relying on version-specific steps.