The weblet's properties are:
axesColor
barWidth
bgColor
chartType
height
hide_if
labels
labelsColor
labelsFontSize
legendColor
legendFontSize
legendMargins
legendOrder
legendPos
legendText
listName
margins
name
pos_absolute
rangeLabels
rangeLabelsColor
rangeLabelsFontSize
seriesColor
spaceBetweenBars
spaceBetweenGroups
titleColor
titleFontSize
titleText
transpose
width