diff --git a/xos/tosca/custom_types/xos.m4 b/xos/tosca/custom_types/xos.m4
index 9202ff4..e8c360a 100644
--- a/xos/tosca/custom_types/xos.m4
+++ b/xos/tosca/custom_types/xos.m4
@@ -102,7 +102,11 @@
             service_specific_attribute:
                 type: string
                 required: false
-                description: Service-specific attribute, usually a string containing a json structure
+                description: Service-specific attribute, usually a string containing a json dictionary
+            model:
+                type: string
+                required: false
+                description: Name of model to use when instantiating tenant
 
     tosca.nodes.ONOSService:
         derived_from: tosca.nodes.Root
diff --git a/xos/tosca/custom_types/xos.yaml b/xos/tosca/custom_types/xos.yaml
index 83ec418..1e60606 100644
--- a/xos/tosca/custom_types/xos.yaml
+++ b/xos/tosca/custom_types/xos.yaml
@@ -77,7 +77,11 @@
             service_specific_attribute:
                 type: string
                 required: false
-                description: Service-specific attribute, usually a string containing a json structure
+                description: Service-specific attribute, usually a string containing a json dictionary
+            model:
+                type: string
+                required: false
+                description: Name of model to use when instantiating tenant
 
     tosca.nodes.ONOSService:
         derived_from: tosca.nodes.Root
diff --git a/xos/tosca/resources/tenant.py b/xos/tosca/resources/tenant.py
index 8821ae2..bc1b6d2 100644
--- a/xos/tosca/resources/tenant.py
+++ b/xos/tosca/resources/tenant.py
@@ -1,3 +1,4 @@
+import importlib
 import os
 import pdb
 import sys
@@ -32,6 +33,26 @@
             return [ self.get_xos_object(provider_service=provider_service) ]
         return []
 
+    def create(self):
+        model_class = self.get_property("model")
+        if model_class:
+            model_name = ".".join(model_class.split(".")[:-1])
+            class_name = model_class.split(".")[-1]
+            print "XXX", model_name, class_name
+            module = importlib.import_module(model_name)
+            xos_model = getattr(module, class_name)
+        else:
+            xos_model = self.xos_model
+
+        xos_args = self.get_xos_args()
+        xos_obj = xos_model(**xos_args)
+        xos_obj.caller = self.user
+        xos_obj.save()
+
+        self.info("Created %s '%s'" % (self.xos_model.__name__,str(xos_obj)))
+
+        self.postprocess(xos_obj)
+
     def postprocess(self, obj):
         pass