Showing "Import" and "Export" options for Site-Admin UI
To enable the Import Button & Export Option in Site-Admin UI, please follow below mentioned steps.This can help you to import the xls and export the xls for Site-Assets.
Step 1: Override the taskConfiguration file.
Path: /config/atg/remote/multisite/assetmanager/taskConfiguration.xml
<?xml version="1.0" encoding="ISO-8859-1" ?><!DOCTYPE task-configuration ...