diff --git a/xos/tosca/custom_types/xos.m4 b/xos/tosca/custom_types/xos.m4
index a708d2e..8252fb1 100644
--- a/xos/tosca/custom_types/xos.m4
+++ b/xos/tosca/custom_types/xos.m4
@@ -319,6 +319,7 @@
             deployment:
                 type: tosca.capabilities.xos.Deployment
         properties:
+            xos_base_props
             accessControl:
                 type: string
                 default: allow all
diff --git a/xos/tosca/custom_types/xos.yaml b/xos/tosca/custom_types/xos.yaml
index 0a0451e..9e828f9 100644
--- a/xos/tosca/custom_types/xos.yaml
+++ b/xos/tosca/custom_types/xos.yaml
@@ -381,6 +381,14 @@
             deployment:
                 type: tosca.capabilities.xos.Deployment
         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
             accessControl:
                 type: string
                 default: allow all