diff --git a/apps/editor/src/editorCore.ts b/apps/editor/src/editorCore.ts
index 1973c87994..62f2e1d484 100644
--- a/apps/editor/src/editorCore.ts
+++ b/apps/editor/src/editorCore.ts
@@ -337,6 +337,14 @@ class ToastUIEditorCore {
     return options.viewer ? new Viewer(options) : new ToastUIEditorCore(options as EditorOptions);
   }
 
+  /**
+   * Set setCode
+   * @param {string | undefined} code - code for I18N language
+   */
+  static setCode(code?: string) {
+    i18n.setCode(code);
+  }
+
   /**
    * Set language
    * @param {string|string[]} code - code for I18N language