Hello, Welcome to Microsoft Q&A,
Open XR maps Select and Grip to the Tap and Hold gestures in HoloLens 2, please refer to Hand tracking in Unreal - Mixed Reality | Microsoft Learn. And you can refer to Getting around HoloLens 2 | Microsoft Learn to learn about common gestures in HoloLens 2.
----
If the response is helpful, please click "Accept Answer" and upvote it.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.