diff --git a/lib/xos-synchronizer/xossynchronizer/event_steps/__init__.py b/lib/xos-synchronizer/xossynchronizer/event_steps/__init__.py
new file mode 100644
index 0000000..b0fb0b2
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+++ b/lib/xos-synchronizer/xossynchronizer/event_steps/__init__.py
@@ -0,0 +1,13 @@
+# Copyright 2017-present Open Networking Foundation
+#
+# 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.
diff --git a/lib/xos-synchronizer/xossynchronizer/event_steps/eventstep.py b/lib/xos-synchronizer/xossynchronizer/event_steps/eventstep.py
new file mode 100644
index 0000000..9596248
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+++ b/lib/xos-synchronizer/xossynchronizer/event_steps/eventstep.py
@@ -0,0 +1,43 @@
+# Copyright 2017-present Open Networking Foundation
+#
+# 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.
+
+
+class EventStep(object):
+    """
+    All the event steps defined in each synchronizer needs to inherit from this class in order to be loaded
+
+    Each step should define a technology, and either a `topics` or a `pattern`. The meaning of `topics` and `pattern`
+    depend on the technology that is chosen.
+    """
+
+    technology = "kafka"
+    topics = []
+    pattern = None
+
+    def __init__(self, log, **kwargs):
+        """
+        Initialize a pull step. Override this function to include any initialization. Make sure to call the original
+        __init__() from your method.
+        """
+
+        # self.log can be used to emit logging messages.
+        self.log = log
+
+    def process_event(self, event):
+        # This method must be overridden in your class. Do not call the original method.
+
+        self.log.warning(
+            "There is no default process_event, please provide a process_event method",
+            msg=event,
+        )