diff --git a/xos/synchronizer/invokers/invoker.py b/xos/synchronizer/invokers/invoker.py
new file mode 100644
index 0000000..e645285
--- /dev/null
+++ b/xos/synchronizer/invokers/invoker.py
@@ -0,0 +1,25 @@
+class Invoker(object):
+
+    def __init__(self, **args):
+        pass
+
+    # Method for handline pre save semantics
+    #      content here would be model specific but could include handling Many-to-Many relationship
+    #      creation - which must occur post save
+    #
+    # obj     - Whatever obj was just saved
+    # returns - None - this is a pure invoke() call, return type is None
+    #
+    def presave(self, obj):
+        return None
+
+
+    # Method for handline post save semantics
+    #      content here would be model specific but could include handling Many-to-Many relationship
+    #      creation - which must occur post save
+    #
+    # obj     - Whatever obj was just saved
+    # returns - None - this is a pure invoke() call, return type is None
+    #
+    def postsave(self, obj):
+        return None
\ No newline at end of file