@jkudave I am responding here, as the other thread is for HE inbuilt Apps and Drivers.
No, you need to install the whole Matter Advanced Bridge package, best is to do it from HPM.
Then, swicth your U400 to the 'Matter Advanced Bridge' driver, and click on the 'Discover All' button.
The driver will create one or two child devices (refresh the device web page to see the child devices). One will be probably for the battery, the second will be for the lock itself. Name the child devices with better descriptive names, the automatic naming is not the best part of this package...