## insert(index, gradientStop) {#number_gradientstop} Inserts a [GradientStop](../../gradientstop/) to the collection at a specified index. ```js insert(index: number, gradientStop: Aspose.Words.Dr......color = "#00FFFF"; gradientStops.at(0)...expect(gradientStops.at(0).color).toEqual("#00FFFF"); expect(gradientStops...