Type of the mouse event. (DispatchMouseEventRequestType enum)

X coordinate of the event relative to the main frame's viewport in CSS pixels.

Y coordinate of the event relative to the main frame's viewport in CSS pixels. 0 refers to the top of the viewport and Y increases as it proceeds towards the bottom of the viewport.

Bit field representing pressed modifier keys. Alt=1, Ctrl=2, Meta/Command=4, Shift=8 (default: 0).

Time at which the event occurred.

Mouse button (default: "none").

A number indicating which buttons are pressed on the mouse when a mouse event is triggered. Left=1, Right=2, Middle=4, Back=8, Forward=16, None=0.

Number of times the mouse button was clicked (default: 0).

The normalized pressure, which has a range of [0,1] (default: 0).

The normalized tangential pressure, which has a range of [-1,1] (default: 0).

The plane angle between the Y-Z plane and the plane containing both the stylus axis and the Y axis, in degrees of the range [-90,90], a positive tiltX is to the right (default: 0).

The plane angle between the X-Z plane and the plane containing both the stylus axis and the X axis, in degrees of the range [-90,90], a positive tiltY is towards the user (default: 0).

The clockwise rotation of a pen stylus around its own major axis, in degrees in the range [0,359] (default: 0).

X delta in CSS pixels for mouse wheel event (default: 0).

Y delta in CSS pixels for mouse wheel event (default: 0).

Pointer type (default: "mouse"). (DispatchMouseEventRequestPointerType enum)