You are viewing the documentation for Play 1. The documentation for Play 2 is here.
Siena module
The siena module automatically enable Siena support for your application.
Note that it only support the Google App Engine persistence manager for now. So it is currently intended to be used with the GAE module.
Enable the Siena module for the application
In the /conf/application.conf file, enable the Siena module by adding this line:
# The siena module
module.siena=${play.path}/modules/siena
Using siena
For more informations check at the Siena documentation page.