@@ -45350,6 +45350,11 @@ components:
           items:
             type: object
           example: []
+        language:
+          type: string
+          nullable: true
+          description: The language of the call's conversation, as a locale code. Null until the call is matched to a conversation or while no language has been set.
+          example: 'fr'
     register_fin_voice_call_request:
       title: Register Fin Voice Call Request Payload
       type: object