Tag name: <dvt:y2BaseLine>
Use the y2BaseLine tag to define the characteristics of the y2-axis line from which bars and area markers originate.
This component must be a child of one of the following components:
The following example shows the XML for a y2BaseLine tag that starts at the value 0.0.
<dvt:graph>
<dvt:y2BaseLine value="0.0"/>
</dvt:graph>