Bit field representing pressed modifier keys. Alt=1, Ctrl=2, Meta/Command=4, Shift=8 (default: 0).
Time at which the event occurred.
Active touch points on the touch device. One event per any changed point (compared to previous touch event in a sequence) is generated, emulating pressing/moving/releasing points one by one.
Type of the touch event. TouchEnd and TouchCancel must not contain any touch points, while TouchStart and TouchMove must contains at least one.