diff --git a/objects/ransom-negotiation/definition.json b/objects/ransom-negotiation/definition.json
index a92925c..2d89d3d 100644
--- a/objects/ransom-negotiation/definition.json
+++ b/objects/ransom-negotiation/definition.json
@@ -12,6 +12,25 @@
       "misp-attribute": "float",
       "ui-priority": 920
     },
+    "chatsite": {
+      "description": "Chatsite where the negotiations take place",
+      "disable_correlation": true,
+      "misp-attribute": "url",
+      "to_ids": false,
+      "ui-priority": 835
+    },
+    "chatsite_id_private": {
+      "description": "Second, private, chat ID given by actor",
+      "disable_correlation": true,
+      "misp-attribute": "text",
+      "ui-priority": 833
+    },
+    "chatsite_id_public": {
+      "description": "Initial chat ID given by actor",
+      "disable_correlation": true,
+      "misp-attribute": "text",
+      "ui-priority": 834
+    },
     "currency": {
       "description": "The currency of the initial demand. Often USD or BTC.",
       "disable_correlation": true,
@@ -66,6 +85,7 @@
       "description": "Screenshot of the negotiations",
       "disable_correlation": true,
       "misp-attribute": "attachment",
+      "multiple": true,
       "ui-priority": 840
     },
     "negotiations_transcript": {
@@ -129,5 +149,5 @@
   "meta-category": "financial",
   "name": "ransom-negotiation",
   "uuid": "FB72F951-DE2E-4B54-A570-8FC560A74B06",
-  "version": 1
+  "version": 2
 }
\ No newline at end of file