# Addon (Debug/Test utility) The addon provides a new tab in the editor that shows a face mesh that visualizes the recieved data. ## Installation To use this addon you must first enable it in the project settings under 'Project' > 'Project Settings' > 'Plugins', ![doc/enable.png](enable.png) ## Usage ![Tabs](setup.png) Click on the new `Live Link Face` tab and then tick the checkbox in the top right corner with the text `Enable Server`. Additionally you can also change port using the spinbox underneath the button. ![Item List](overview.png) Once a client is connected you can select it in the item box below, selecting items in said box will change the source of the data used by the visualisation. **Note:** The server will stop when you leave the tab and resume when you return to it. So you don't have to worry about performance issues.