diff --git a/objects/opentide/definition.json b/objects/opentide/definition.json
index e32e795..81c89bf 100644
--- a/objects/opentide/definition.json
+++ b/objects/opentide/definition.json
@@ -1,52 +1,58 @@
 {
-  "attributes": {
-    "name": {
-      "description": "Name of the OpenTIDE Object",
-      "misp-attribute": "text",
-      "ui-priority": 4
-    },
-    "opentide-object": {
-      "description": "YAML Content of the Opentide Object",
-      "misp-attribute": "text",
-      "ui-priority": 0
-    },
-    "opentide-type": {
-      "description": "Type of the OpenTIDE Object",
-      "disable_correlation": true,
-      "misp-attribute": "text",
-      "multiple": false,
-      "ui-priority": 1,
-      "values_list": [
-        "tvm",
-        "cdm",
-        "mdr"
-      ]
-    },
-    "uuid": {
-      "description": "UUID of the OpenTIDE Object",
-      "misp-attribute": "text",
-      "ui-priority": 3
-    },
-    "version": {
-      "description": "Version of the OpenTIDE Object",
-      "disable_correlation": true,
-      "misp-attribute": "text",
-      "sane_default": [
-        "1"
-      ],
-      "ui-priority": 2
-    }
-  },
-  "description": "Object that is a container for threat or detection data, in accordance with the OpenTIDE Framework (https://code.europa.eu/ec-digit-s2/opentide)",
-  "meta-category": "misc",
-  "name": "opentide",
-  "required": [
-    "name",
-    "uuid",
-    "version",
-    "opentide-object",
-    "opentide-type"
-  ],
-  "uuid": "892fd46a-f69e-455c-8c4f-843a4b8f4295",
-  "version": 2
+   "attributes":{
+      "name":{
+         "description":"Name of the OpenTIDE Object",
+         "misp-attribute":"text",
+         "ui-priority":5
+      },
+      "opentide-object":{
+         "description":"YAML Content of the Opentide Object",
+         "misp-attribute":"text",
+         "ui-priority":0
+      },
+      "opentide-type":{
+         "description":"Type of the OpenTIDE Object",
+         "disable_correlation":true,
+         "misp-attribute":"text",
+         "multiple":false,
+         "ui-priority":1,
+         "values_list":[
+            "tvm",
+            "cdm",
+            "mdr"
+         ]
+      },
+      "opentide-relation":{
+         "description":"UUID of other OpenTIDE Objects with a relation to this Object",
+         "misp-attribute":"text",
+         "multiple":true,
+         "ui-priority":1
+      },
+      "uuid":{
+         "description":"UUID of the OpenTIDE Object",
+         "misp-attribute":"text",
+         "ui-priority":4
+      },
+      "version":{
+         "description":"Version of the OpenTIDE Object",
+         "disable_correlation":true,
+         "misp-attribute":"text",
+         "sane_default":[
+            "1"
+         ],
+         "ui-priority":3
+      }
+   },
+   "description":"Object that is a container for threat or detection data, in accordance with the OpenTIDE Framework (https://code.europa.eu/ec-digit-s2/opentide)",
+   "meta-category":"misc",
+   "name":"opentide",
+   "required":[
+      "name",
+      "uuid",
+      "version",
+      "opentide-object",
+      "opentide-type"
+   ],
+   "uuid":"892fd46a-f69e-455c-8c4f-843a4b8f4295",
+   "version":3
 }