The following example shows the barGraph object:
<barGraph name="BarGraph1" height="238" width="32" left="580" top="13" visible="true" wallpaper="false" isReferenceObject="false" backColor="lime" backStyle="solid" borderColor="navy" borderStyle="raisedInset" borderUsesBackColor="false" borderWidth="4" description="Bar20" fillColor="navy" fillDirection="bottomToTop" minValue="0" maxValue="60" thresholdType="percentage" numberOfThresholds="1">
<threshold thresholdIndex="1" thresholdValue="50" fillColor="yellow" blink="true" />
<animations>
<animateVisibility expression="If TagS2 < 10 Then 0 Else 1" expressionTrueState="visible" />
</animations>
<connections>
<connection name="Value" expression="TestTag4" />
</connections>
</barGraph>