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## 5.3.2 UI Update

This topic provides the systematic instructions to UI Update developed in OBX.

To migrate services developed in previous versions of OBX to latest please follow the below steps:

1. Navigate to UI (Web Component) specific folder inside the extension_home directory.
2. Execute the command obx ui-update.

   Figure 5-15 OBX UI-Update

   Description of "Figure 5-15 OBX UI-Update"
3. This command will automatically start removing old libraries without changing the source folder. This help will help you retaining the business logic already written in web component.
4. One done and executed successfully you will the below message.

   Figure 5-16 Message

   Description of "Figure 5-16 Message"
5. Now to run the command with new libraries run below command sequentially:
   - sh npm-link.sh – It will create new node module folder inside the component with latest modules and dependencies.
   - node startCS.js - Open a new tab in cmder and navigate to same web component directory and run command node startCS.js.
   - npm start – From the main tab, where we executed npm-link command run the command npm start, it will automatically run the web component with latest libraries and launch it on the browser as well.

Parent topic: OBX Update Command