## insert(index, gradientStop) {#number_gradientstop} Inserts a [GradientStop](../../gradientstop/) to the collection at a specified index. ```js insert(index: number, gradientStop: Aspose.Words.Dr......DocumentBuilder(doc); let shape = builder.insertShape(aw.Drawing...ShapeType.Rectangle, 80, 80); shape.fill.twoColorGradient("#008000"...