Add Identity v3 account configuration information
Updated documentation to include information about how to configure
Identity-v3-specific account settings using the Legacy Credentials
configuration options.
Change-Id: I55abf9629ed8f8436ce4497e9790feea05669407
diff --git a/doc/source/configuration.rst b/doc/source/configuration.rst
index e428592..524c0fa 100644
--- a/doc/source/configuration.rst
+++ b/doc/source/configuration.rst
@@ -139,6 +139,11 @@
#. ``alt_password``
#. ``alt_tenant_name``
+If using Identity API v3, use the ``domain_name`` option to specify a
+domain other than the default domain. The ``auth_version`` setting is
+used to switch between v2 (``v2``) or v3 (``v3``) versions of the Identity
+API.
+
And in the ``auth`` section:
#. ``use_dynamic_credentials = False``