1 files changed, 8 insertions, 0 deletions
diff --git a/addons/mail/static/src/js/models/threads/abstract_thread.js b/addons/mail/static/src/js/models/threads/abstract_thread.js
index 317859ab4f4..74be953734d 100644
--- a/addons/mail/static/src/js/models/threads/abstract_thread.js
+++ b/addons/mail/static/src/js/models/threads/abstract_thread.js
@@ -30,6 +30,14 @@ var AbstractThread = Class.extend({
     //--------------------------------------------------------------------------
 
     /**
+     * Updates the folded state of the thread
+     *
+     * @param {boolean} folded
+     */
+    fold: function (folded) {
+        this._folded = folded;
+    },
+    /**
      * Get the ID of this thread
      *
      * @returns {integer|string}