diff --git a/nodl_to_policy/_common/lifecycle_node.xml b/nodl_to_policy/_common/lifecycle_node.xml
new file mode 100644
index 0000000..6dbe1c0
--- /dev/null
+++ b/nodl_to_policy/_common/lifecycle_node.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<profile xmlns:xi="http://www.w3.org/2003/XInclude">
+  <xi:include href="node.xml"
+    xpointer="xpointer(/profile/*)"/>
+  <services reply="ALLOW">
+    <service>~/change_state</service>
+    <service>~/get_available_states</service>
+    <service>~/get_available_transitions</service>
+    <service>~/get_state</service>
+    <service>~/get_transition_graph</service>
+  </services>
+  <topics publish="ALLOW">
+    <topic>~/transition_event</topic>
+  </topics>
+</profile>
diff --git a/nodl_to_policy/types.py b/nodl_to_policy/types.py
new file mode 100644
index 0000000..aa7988f
--- /dev/null
+++ b/nodl_to_policy/types.py
@@ -0,0 +1,21 @@
+# Copyright 2021 Open Source Robotics Foundation, Inc.
+#
+# 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.
+
+from enum import Enum, unique
+
+
+@unique
+class NodeType(Enum):
+    NODE = 'node'
+    LIFECYCLE_NODE = 'lifecycle_node'