diff --git a/ChangeLog b/ChangeLog
index d7b0ae9a..6354b0bf 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -22761,3 +22761,5 @@
 	to fail if the target log didn't exist.
 2021-12-12 Fred Gleason <fredg@paravelsystems.com>
 	* Added an 'SaveLog()' method to the 'rivwebpyapi' API.
+2021-12-12 Fred Gleason <fredg@paravelsystems.com>
+	* Added a 'RivendellType()' base class to the 'rivwebpyapi' API.
diff --git a/apis/rivwebpyapi/api/rivwebpyapi.py b/apis/rivwebpyapi/api/rivwebpyapi.py
index 2f0da9c1..1216a7aa 100755
--- a/apis/rivwebpyapi/api/rivwebpyapi.py
+++ b/apis/rivwebpyapi/api/rivwebpyapi.py
@@ -377,15 +377,19 @@ class RivWebPyError(Exception):
         self.errorString=resp_body
         self.responseCode=resp_code
 
-class Cart(object):
-    def __init__(self,values={}):
+class RivendellType(object):
+    def __init__(self,schema,values):
+        self.__schema=schema
         if(len(values)==0):
             self.__values={}
-            for key in CART_FIELDS:
+            for key in schema:
                 self.__values[key]=None
         else:
             self.__values=values
 
+    def schema(self):
+        return self.__schema
+
     def values(self):
         return self.__values
 
@@ -394,56 +398,21 @@ class Cart(object):
             if(key in self.__values.keys()):
                 self.__values[key]=values[key]
 
-class Cut(object):
+class Cart(RivendellType):
     def __init__(self,values={}):
-        if(len(values)==0):
-            self.__values={}
-            for key in CUT_FIELDS:
-                self.__values[key]=None
-        else:
-            self.__values=values
+        super().__init__(CART_FIELDS,values)
 
-    def values(self):
-        return self.__values
-
-    def setValues(self,values):
-        for key in values:
-            if(key in self.__values.keys()):
-                self.__values[key]=values[key]
-
-class Log(object):
+class Cut(RivendellType):
     def __init__(self,values={}):
-        if(len(values)==0):
-            self.__values={}
-            for key in LOG_FIELDS:
-                self.__values[key]=None
-        else:
-            self.__values=values
+        super().__init__(CUT_FIELDS,values)
 
-    def values(self):
-        return self.__values
-
-    def setValues(self,values):
-        for key in values:
-            if(key in self.__values.keys()):
-                self.__values[key]=values[key]
-
-class LogLine(object):
+class Log(RivendellType):
     def __init__(self,values={}):
-        if(len(values)==0):
-            self.__values={}
-            for key in LOGLINE_FIELDS:
-                self.__values[key]=None
-        else:
-            self.__values=values
+        super().__init__(LOG_FIELDS,values)
 
-    def values(self):
-        return self.__values
-
-    def setValues(self,values):
-        for key in values:
-            if(key in self.__values.keys()):
-                self.__values[key]=values[key]
+class LogLine(RivendellType):
+    def __init__(self,values={}):
+        super().__init__(LOGLINE_FIELDS,values)
 
 class rivwebpyapi(object):
     """