diff --git a/xos/tosca/custom_types/xos.m4 b/xos/tosca/custom_types/xos.m4
index 3ceff77..e72ea2f 100644
--- a/xos/tosca/custom_types/xos.m4
+++ b/xos/tosca/custom_types/xos.m4
@@ -335,6 +335,52 @@
                 required: false
                 description: c_tag, identifies which subscriber within s_tag
 
+    tosca.nodes.VOLTDevice:
+        derived_from: tosca.nodes.Root
+        description: >
+            CORD: A vOLT Device.
+        properties:
+            xos_base_props
+            openflow_id:
+                type: string
+                required: false
+                description: openflow id
+            driver:
+                type: string
+                required: false
+                description: driver name
+
+    tosca.nodes.AccessDevice:
+        derived_from: tosca.nodes.Root
+        description: >
+            CORD: A vOLT Access Device.
+        properties:
+            xos_base_props
+            uplink:
+               type: integer
+               required: false
+               description: uplink
+            vlan:
+               type: integer
+               required: false
+               description: vlan
+
+    tosca.nodes.AccessAgent:
+        derived_from: tosca.nodes.Root
+        description: >
+            CORD: A vOLT Access Agent.
+        properties:
+            xos_base_props
+            mac:
+                type: string
+                required: false
+                description: mac address
+            port_mappings:
+                type: string
+                required: false
+                description: list of port mappings, separated by commas
+
+
     tosca.nodes.User:
         derived_from: tosca.nodes.Root
 
@@ -972,6 +1018,9 @@
     tosca.relationships.TagsObject:
         derived_from: tosca.relationships.Root
 
+    tosca.relationships.MemberOfDevice:
+        derived_from: tosca.relationships.Root
+
     tosca.capabilities.xos.Service:
         derived_from: tosca.capabilities.Root
         description: An XOS Service
diff --git a/xos/tosca/custom_types/xos.yaml b/xos/tosca/custom_types/xos.yaml
index 3f73672..40ab3a7 100644
--- a/xos/tosca/custom_types/xos.yaml
+++ b/xos/tosca/custom_types/xos.yaml
@@ -847,6 +847,97 @@
                 required: false
                 description: c_tag, identifies which subscriber within s_tag
 
+    tosca.nodes.VOLTDevice:
+        derived_from: tosca.nodes.Root
+        description: >
+            CORD: A vOLT Device.
+        properties:
+            no-delete:
+                type: boolean
+                default: false
+                description: Do not allow Tosca to delete this object
+            no-create:
+                type: boolean
+                default: false
+                description: Do not allow Tosca to create this object
+            no-update:
+                type: boolean
+                default: false
+                description: Do not allow Tosca to update this object
+            replaces:
+                type: string
+                required: false
+                descrption: Replaces/renames this object
+            openflow_id:
+                type: string
+                required: false
+                description: openflow id
+            driver:
+                type: string
+                required: false
+                description: driver name
+
+    tosca.nodes.AccessDevice:
+        derived_from: tosca.nodes.Root
+        description: >
+            CORD: A vOLT Access Device.
+        properties:
+            no-delete:
+                type: boolean
+                default: false
+                description: Do not allow Tosca to delete this object
+            no-create:
+                type: boolean
+                default: false
+                description: Do not allow Tosca to create this object
+            no-update:
+                type: boolean
+                default: false
+                description: Do not allow Tosca to update this object
+            replaces:
+                type: string
+                required: false
+                descrption: Replaces/renames this object
+            uplink:
+               type: integer
+               required: false
+               description: uplink
+            vlan:
+               type: integer
+               required: false
+               description: vlan
+
+    tosca.nodes.AccessAgent:
+        derived_from: tosca.nodes.Root
+        description: >
+            CORD: A vOLT Access Agent.
+        properties:
+            no-delete:
+                type: boolean
+                default: false
+                description: Do not allow Tosca to delete this object
+            no-create:
+                type: boolean
+                default: false
+                description: Do not allow Tosca to create this object
+            no-update:
+                type: boolean
+                default: false
+                description: Do not allow Tosca to update this object
+            replaces:
+                type: string
+                required: false
+                descrption: Replaces/renames this object
+            mac:
+                type: string
+                required: false
+                description: mac address
+            port_mappings:
+                type: string
+                required: false
+                description: list of port mappings, separated by commas
+
+
     tosca.nodes.User:
         derived_from: tosca.nodes.Root
 
@@ -1769,6 +1860,9 @@
     tosca.relationships.TagsObject:
         derived_from: tosca.relationships.Root
 
+    tosca.relationships.MemberOfDevice:
+        derived_from: tosca.relationships.Root
+
     tosca.capabilities.xos.Service:
         derived_from: tosca.capabilities.Root
         description: An XOS Service