diff --git a/openstack/orchestration/v1/stack_template.py b/openstack/orchestration/v1/stack_template.py
index 35b2db4cb..7dace49a5 100644
--- a/openstack/orchestration/v1/stack_template.py
+++ b/openstack/orchestration/v1/stack_template.py
@@ -42,3 +42,14 @@ class StackTemplate(resource.Resource):
     #: Key and value pairs that contain definition of resources in the
     #: template
     resources = resource.Body('resources', type=dict)
+    # List parameters grouped.
+    parameter_groups = resource.Body('parameter_groups', type=list)
+    # Restrict conditions.
+    conditions = resource.Body('conditions', type=dict)
+
+    def to_dict(self):
+        mapping = super(StackTemplate, self).to_dict()
+        mapping.pop('location')
+        mapping.pop('id')
+        mapping.pop('name')
+        return mapping
diff --git a/openstack/tests/unit/orchestration/v1/test_stack_template.py b/openstack/tests/unit/orchestration/v1/test_stack_template.py
index 592d644ee..7f927081e 100644
--- a/openstack/tests/unit/orchestration/v1/test_stack_template.py
+++ b/openstack/tests/unit/orchestration/v1/test_stack_template.py
@@ -10,6 +10,7 @@
 # License for the specific language governing permissions and limitations
 # under the License.
 
+import copy
 import testtools
 
 from openstack.orchestration.v1 import stack_template
@@ -53,3 +54,13 @@ class TestStackTemplate(testtools.TestCase):
         self.assertEqual(FAKE['outputs'], sot.outputs)
         self.assertEqual(FAKE['parameters'], sot.parameters)
         self.assertEqual(FAKE['resources'], sot.resources)
+
+    def test_to_dict(self):
+        fake_sot = copy.deepcopy(FAKE)
+        fake_sot['parameter_groups'] = [{
+            "description": "server parameters",
+            "parameters": ["key_name", "image_id"],
+            "label": "server_parameters"}]
+        fake_sot['conditions'] = {"cd1": True}
+        sot = stack_template.StackTemplate(**fake_sot)
+        self.assertEqual(fake_sot, sot.to_dict())