diff --git a/client/src/utils.js b/client/src/utils.js
index 280a74f93f..65e9af9d46 100644
--- a/client/src/utils.js
+++ b/client/src/utils.js
@@ -451,6 +451,17 @@ Espo.Utils = {
         return data;
     },
 
+    /**
+     * Deep comparison.
+     *
+     * @param {Object} a1 An argument 1.
+     * @param {Object} a2 An argument 2.
+     * @return {boolean}
+     */
+    areEqual: function (a1, a2) {
+        return _.isEqual(a1, a2);
+    },
+
     /**
      * Compose a class name.
      *