initialState.annotations[type=' callout']

type required 'callout': Configuration for the callout annotation.
start required AgAnnotationPoint: The starting point of the annotation.
end required AgAnnotationPoint: The end point of the annotation.
text required string: The text content.
handle AgAnnotationHandleStyles: Configuration for the drag handles.
color AgCssColorOrRef: The colour for text elements. A colour string, or a theme-colour reference object.
fontSize FontSize: The size of the font in pixels for text elements.
fontFamily FontFamily: The font family for text elements.
fontStyle FontStyle: The style to use for text elements.
fontWeight FontWeight: The font weight to use for text elements.
locked boolean default: false: Whether the annotation should be locked to prevent editing.
readOnly boolean default: false: Whether the annotation should be read-only to prevent selection, editing and deletion.
visible boolean: Whether the element should be visible.
stroke AgCssColorOrRef: The colour for the stroke.
strokeWidth PixelSize: The width of the stroke in pixels.
strokeOpacity Opacity: The opacity of the stroke colour.
fill AgColorType: The colour for filling shapes. A colour string, or an object for a gradient, pattern, or image fill.
fillOpacity Opacity: The opacity of the fill colour.