This sample is to display the line of target value.

ā—¸Layout
<backgroundElements>
	<GridLines/>
	<AxisMarker>
		<lines>
			<AxisLine value="2500" label="High">
			</AxisLine>
			<AxisLine value="500" label="Low" labelUpDown="down">
			</AxisLine>
		</lines>
		<ranges>
			<AxisRange startValue="500" endValue="2500">
			</AxisRange>
		</ranges>
	</AxisMarker>
</backgroundElements>