feat: adds ext attribute to File object

CHANGELOG.md

@@ -52,6 +52,8 @@ Thankyou! -->
     1. Added `file_result` to File Hosting Activity. #1045
 * #### Profiles
 * #### Objects
+    1.  Added `ext` to `File` object. #1046
+
 * #### Platform Extensions
 
 ### Bugfixes

dictionary.json

@@ -1636,6 +1636,11 @@
       "description": "The expiration time. See specific usage.",
       "type": "timestamp_t"
     },
+    "ext": {
+      "caption": "Extension",
+      "description": "The extension. See specific usage.",
+      "type": "string_t"
+    },
     "extension": {
       "@deprecated": {
         "message": "Use the <code> extensions </code> attribute instead.",
@@ -4434,4 +4439,4 @@
       }
     }
   }
-}
+}

objects/file.json

@@ -41,6 +41,11 @@
       "description": "The description of the file, as returned by file system. For example: the description as returned by the Unix file command or the Windows file type.",
       "requirement": "optional"
     },
+    "ext": {
+      "caption": "File Extension",
+      "description": "The extension of the file, excluding the leading dot. For example: <code>exe</code> from <code>svchost.exe</code>, or <code>gz</code> from <code>export.tar.gz</code>.",
+      "requirement": "recommended"
+    },
     "hashes": {
       "requirement": "recommended"
     },