SmartCloud Application Performance Management UI Version 7.6 provides customization support. An experienced user can update UI components by using specific commands. Users must be familiar with the definition template JavaScript Object Notation (JSON) file.This purpose of this paper is to introduce the detailed steps on how to update UI components with customization support, UI customization and show the final results as well. It can be divided into the following sections:UI customization,Application component customization,Group widget customization.