Carbon copy field added

objects/email/definition.json

@@ -3,7 +3,7 @@
   "uuid": "a0c666e0-fc65-4be8-b48f-3423d788b552",
   "meta-category": "network",
   "description": "Email object describing an email with meta-information",
-  "version": 5,
+  "version": 6,
   "attributes": {
     "reply-to": {
       "description": "Email address the reply will be sent to",
@@ -30,6 +30,15 @@
       ],
       "multiple": true
     },
+    "cc": {
+      "description": "Carbon copy",
+      "misp-attribute": "email-dst",
+      "ui-priority": 1,
+      "categories": [
+        "Payload delivery"
+      ],
+      "multiple": true
+    },
     "to-display-name": {
       "description": "Display name of the receiver",
       "misp-attribute": "email-dst-display-name",