In this example, you can see how to render and configure the trendlines. The trendline is a line drawn over the chart to display the overall direction of the results. This chart supports the following types. Linear Exponential Logarithmic Polynomial Power Moving Average Forecasting Tooltip is enabled in this example. To see the tooltip in action, hover a point or tap on a point in touch enabled devices. More information on the trend lines can be found in this documentation section.