Type Alias MouseButtonName

MouseButtonName:
    | "LButton"
    | "LeftButton"
    | "LeftClick"
    | "RButton"
    | "RightButton"
    | "RightClick"
    | "MButton"
    | "MiddleButton"
    | "MiddleClick"
    | "XButton1"
    | "Mouse4"
    | "XButton2"
    | "Mouse5"

Button name accepted by Mouse.OnButton, Mouse.OnDown, and Mouse.OnUp. Canonical names are preferred; aliases are accepted case-insensitively. The +-separated modifier prefix, such as "Shift+LButton", is also valid.