预览版
The result returned when an MessageBox is closed. Contains the reason the message box was closed and the player's button selection, if applicable.
The reason the message box was closed.
可选
The index of the button the player selected. Not set if the message box was closed without a button selection (e.g., the player was busy or the server closed it).
The result returned when an MessageBox is closed. Contains the reason the message box was closed and the player's button selection, if applicable.