This feature is used when the data labels are customized with data template. Currently, the binding context of data marker label template will be the respective data point. So the user could not bind anything in data template that is relevant to the appearance of data marker such as text color, background color, text size etc. After including this feature, the customer can decide what to bring in BindingContext of data template, whether it can be respective data point as before (default) or data marker label, the data marker label contains the text color, text, background color, text size etc. of the label.