GHZSDKXR/Samples~/SDK/Modules/Module_Keyboard/Scripts/Follower/KeyboardManipulationHandler.cs

using SC.XR.Unity.Module_InputSystem;
using UnityEngine.EventSystems;

namespace SC.XR.Unity.Module_Keyboard
{
    public class KeyboardManipulationHandler : PointerHandler
    {
        ManipulationHandler manipulationHandler;

        public override void OnPointerDown(PointerEventData eventData)
        {
            base.OnPointerDown(eventData);
            manipulationHandler = manipulationHandler==null?gameObject.AddComponent<ManipulationHandler>(): manipulationHandler;
            manipulationHandler.enabled = true;
            manipulationHandler.OnPointerDown(eventData);

            GameKey2Dboard gameKey2Dboard = this.GetComponentInParent<GameKey2Dboard>();
            gameKey2Dboard.OnPointerDown?.Invoke(eventData);
        }

        public override void OnPointerUp(PointerEventData eventData)
        {
            base.OnPointerUp(eventData);
            manipulationHandler.enabled = false;            
        }
    }
}