low: A Boolean ([XMLSCHEMA2] section 3.2.2) attribute that specifies whether the data points (2) with the lowest value are formatted differently for each sparkline in this sparkline group.
Value
Meaning
"true"
Data points (2) with the lowest value are formatted differently for each sparkline in this sparkline group.
"false"
No data point with the lowest value is formatted for sparkline in this sparkline group.
first: A Boolean ([XMLSCHEMA2] section 3.2.2) attribute that specifies whether the first data point is formatted differently for each sparkline in this sparkline group.