diff --git a/README.rst b/README.rst
index c6019b0..a3a8882 100644
--- a/README.rst
+++ b/README.rst
@@ -40,14 +40,20 @@ or
 Running Kingbird client
 -----------------------
 
+If Kingbird authentication is enabled, provide the information about OpenStack
+auth to environment variables. Type:
+
+$ export OS_PROJECT_DOMAIN_ID=default
 $ export OS_REGION_NAME=RegionOne
 $ export OS_USER_DOMAIN_ID=default
 $ export OS_PROJECT_NAME=<project_name>
 $ export OS_IDENTITY_API_VERSION=<identity_version>
 $ export OS_PASSWORD=<password>
-$ export OS_AUTH_URL=http://<Keystone_host>:5000/<v3(or)v2.0>
+$ export OS_AUTH_TYPE=password
+$ export OS_AUTH_URL=http://<Keystone_host>/identity
 $ export OS_USERNAME=<user_name>
 $ export OS_TENANT_NAME=<tenant_name>
+$ export OS_VOLUME_API_VERSION=<volume_version>
 
 To make sure Kingbird client works, type:
 
diff --git a/kingbirdclient/api/v1/client.py b/kingbirdclient/api/v1/client.py
index 9faf374..2cebcd5 100644
--- a/kingbirdclient/api/v1/client.py
+++ b/kingbirdclient/api/v1/client.py
@@ -38,12 +38,12 @@ class Client(object):
                  endpoint_type='publicURL', service_type='synchronization',
                  auth_token=None, user_id=None, cacert=None, insecure=False,
                  profile=None, auth_type='keystone', client_id=None,
-                 client_secret=None):
+                 client_secret=None, session=None):
         """Kingbird communicates with Keystone to fetch necessary values."""
         if kingbird_url and not isinstance(kingbird_url, six.string_types):
             raise RuntimeError('Kingbird url should be a string.')
 
-        if auth_url:
+        if auth_url or session:
             if auth_type == 'keystone':
                 (kingbird_url, auth_token, project_id, user_id) = (
                     authenticate(
@@ -57,6 +57,7 @@ class Client(object):
                         service_type,
                         auth_token,
                         user_id,
+                        session,
                         cacert,
                         insecure
                     )
@@ -92,7 +93,7 @@ def authenticate(kingbird_url=None, username=None,
                  api_key=None, project_name=None, auth_url=None,
                  project_id=None, endpoint_type='publicURL',
                  service_type='synchronization', auth_token=None, user_id=None,
-                 cacert=None, insecure=False):
+                 session=None, cacert=None, insecure=False):
     """Get token, project_id, user_id and Endpoint."""
     if project_name and project_id:
         raise RuntimeError(
@@ -104,27 +105,28 @@ def authenticate(kingbird_url=None, username=None,
             'Only user name or user id should be set'
         )
 
-    if auth_token:
-        auth = auth_plugin.Token(
-            auth_url=auth_url,
-            token=auth_token,
-            project_id=project_id,
-            project_name=project_name)
+    if session is None:
+        if auth_token:
+            auth = auth_plugin.Token(
+                auth_url=auth_url,
+                token=auth_token,
+                project_id=project_id,
+                project_name=project_name)
 
-    elif api_key and (username or user_id):
-        auth = auth_plugin.Password(
-            auth_url=auth_url,
-            username=username,
-            user_id=user_id,
-            password=api_key,
-            project_id=project_id,
-            project_name=project_name)
+        elif api_key and (username or user_id):
+            auth = auth_plugin.Password(
+                auth_url=auth_url,
+                username=username,
+                user_id=user_id,
+                password=api_key,
+                project_id=project_id,
+                project_name=project_name)
 
-    else:
-        raise RuntimeError('You must either provide a valid token or'
-                           'a password (api_key) and a user.')
-    if auth:
-        session = ks_session.Session(auth=auth)
+        else:
+            raise RuntimeError('You must either provide a valid token or'
+                               'a password (api_key) and a user.')
+        if auth:
+            session = ks_session.Session(auth=auth)
 
     if session:
         token = session.get_token()
diff --git a/kingbirdclient/osc/plugin.py b/kingbirdclient/osc/plugin.py
new file mode 100644
index 0000000..b967528
--- /dev/null
+++ b/kingbirdclient/osc/plugin.py
@@ -0,0 +1,62 @@
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#        http://www.apache.org/licenses/LICENSE-2.0
+#
+#    Unless required by applicable law or agreed to in writing, software
+#    distributed under the License is distributed on an "AS IS" BASIS,
+#    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#    See the License for the specific language governing permissions and
+#    limitations under the License.
+
+"""OpenStackClient plugin for Sync service."""
+
+import logging
+
+from osc_lib import utils
+
+LOG = logging.getLogger(__name__)
+
+DEFAULT_SYNC_API_VERSION = '1'
+API_VERSION_OPTION = 'os_sync_api_version'
+API_NAME = 'sync_engine'
+API_VERSIONS = {
+    '1': 'kingbirdclient.api.v1.client.Client',
+}
+
+
+def make_client(instance):
+    """Return a sync_engine service client."""
+    version = instance._api_version[API_NAME]
+    sync_client = utils.get_client_class(
+        API_NAME,
+        version,
+        API_VERSIONS)
+
+    LOG.debug('Instantiating sync engine client: %s', sync_client)
+
+    kingbird_url = instance.get_endpoint_for_service_type(
+        'synchronization',
+        interface='publicURL'
+    )
+
+    client = sync_client(kingbird_url=kingbird_url, session=instance.session)
+
+    return client
+
+
+def build_option_parser(parser):
+    """Hook to add global options."""
+    parser.add_argument(
+        '--os-sync-api-version',
+        metavar='<sync-api-version>',
+        default=utils.env(
+            'OS_SYNC_API_VERSION',
+            default=DEFAULT_SYNC_API_VERSION),
+        help='SYNC API version, default=' +
+             DEFAULT_SYNC_API_VERSION +
+             ' (Env: OS_SYNC_API_VERSION)')
+
+    return parser