Tag name: <dvt:mapBarSeriesItem>
This tag is used when customizing the color of the bars in a particular <dvt:mapBarGraphTheme>. Each tag corresponds to one bar of the bar graph, and the color is specified using the color attribute.
In the example below, the map contains a bar graph theme where each graph has two bars--one with color=#0000ff and the other with color=#00ff00.
<dvt:map ...map attributes...>
<dvt:mapBarGraphTheme ...mapBarGraphTheme attributes...>
<dvt:mapBarSeriesSet>
<dvt:mapBarSeriesItem color="#0000ff" id="bar1"/>
<dvt:mapBarSeriesItem color="#00ff00" id="bar2"/>
</dvt:mapBarSeriesSet>
</dvt:mapBarGraphTheme>
</dvt:map>
The <dvt:mapBarSeriesItem> tag is a child of the <dvt:mapBarSeriesSet> tag