The wj-flex-chart-trend-line directive must be contained in a wijmo.angular.chart.WjFlexChart or wijmo.angular.chart.finance.WjFinancialChart directive. It supports the following attributes:

binding

@ The name of the property that contains Y values for the series. This value overrides any binding set for the chart.

binding-x

@ The name of the property that contains X values for the series. This value overrides any binding set for the chart.

chart-type

@ The chart type to use in rendering objects for this series objects. This value overrides the default chart type set on the chart. See ChartType.

css-class

@ The CSS class to use for the series.

items-source

= An array or ICollectionView object that contains data for this series.

name

@ The name of the series to show in the legend.

style

= The series style. Use ng-attr-style to specify the series style object as an object. See the section on ngAttr attribute bindings in AngularJS Creating Custom Directives and the FlexChart 101 Styling Series sample for more information.

symbol-marker

@ The shape of marker to use for the series. This value overrides the default marker set on the chart. See Marker.

symbol-size

@ The size of the symbols used to render data points in this series for Scatter, LineSymbols, and SplineSymbols charts, in pixels. This value overrides any setting at the chart level.

symbol-style

= The style of the symbols used to render data points in this series for Scatter, LineSymbols, and SplineSymbols charts. This value overrides any setting at the chart level.

visibility

= The SeriesVisibility value indicating whether and where to display the series.

sample-count

@ The sample count for the calculation.

fit-type

@ The TrendLineFitType value for the trend line.

order

@ The number of terms in a polynomial or fourier equation.