Hi, I'd like you to take a look at this patch for potential DocImpact. https://review.openstack.org/18138 Log: commit 8c4d801cef23915869c1dbc803e7f5e458d32a98 Author: Henry Nash <henryn at linux.vnet.ibm.com> Date: Fri Dec 14 16:25:00 2012 +0000 Add support for user groups This documents the v3 api changes proposed to represent support for groups of users in keystone. DocImpact Change-Id: I48d874ce5b5019e5ddee56c9b9b73a796b2cbdff