OptionalgifFrame-index animation events (only used when isGif: true).
OptionalinclinePerspective-incline events (degrees).
OptionalscaleHorizontal scale events.
OptionalscaleVertical scale events.
OptionalcolorLine tint color events (RGB, each channel 0–255).
OptionaltextOn-screen text display events.
Container for a line's extended event arrays (incline, scale, color, text, GIF).