This sample is to add the currency symbol, $, to the beginning of the Y-axis label.

CurrencyFormatter
useThousandsSeparator: whether or not to use the thousand separators.
useNagativeSign: whether or not to use the minus sign.
	if the value is true, the minus sign will be displayed before the first digit otherwise, the value will be enclosed in the brackets.
precision: the decimal precision. If the value is -1, the precision will be ignored.
thousandsSeparatorTo: the delimiter used as a thousands separator.
decimalSeparatorTo: the delimiter used as a decimal point.
- CurrencyFormatter Properties -
currencySymbol: the currency symbol.
alignSymbol: left, righht (default: left)

●Layout
<CurrencyFormatter id="fmt" currencySymbol="$" alignSymbol="left"/>