diff --git a/Source/DTDLv2/RealEstateCore/Asset/Asset.json b/Source/DTDLv2/RealEstateCore/Asset/Asset.json
index 5dc6bea78..c690145f2 100644
--- a/Source/DTDLv2/RealEstateCore/Asset/Asset.json
+++ b/Source/DTDLv2/RealEstateCore/Asset/Asset.json
@@ -29,6 +29,15 @@
       "schema": "string",
       "writable": true
     },
+    {
+      "@type": "Property",
+      "displayName": {
+        "en": "colour"
+      },
+      "name": "colour",
+      "schema": "string",
+      "writable": true
+    },
     {
       "@type": "Property",
       "displayName": {
@@ -283,6 +292,15 @@
       "name": "servicedBy",
       "target": "dtmi:org:w3id:rec:Agent;1",
       "writable": true
+    },
+    {
+      "@type": "Relationship",
+      "displayName": {
+        "en": "warranty"
+      },
+      "name": "warranty",
+      "target": "dtmi:org:w3id:rec:Warranty;1",
+      "writable": true
     }
   ],
   "description": {
diff --git a/Source/DTDLv2/RealEstateCore/Event/Warranty.json b/Source/DTDLv2/RealEstateCore/Event/Warranty.json
new file mode 100644
index 000000000..b18d20d5d
--- /dev/null
+++ b/Source/DTDLv2/RealEstateCore/Event/Warranty.json
@@ -0,0 +1,14 @@
+{
+  "@id": "dtmi:org:w3id:rec:Warranty;1",
+  "@type": "Interface",
+  "extends": "dtmi:org:w3id:rec:Event;1",
+  "description": {
+    "en": "Represents warranty information for an asset."
+  },
+  "displayName": {
+    "en": "Warranty"
+  },
+  "@context": [
+    "dtmi:dtdl:context;2"
+  ]
+}