toValue method
Implementation
String toValue() {
switch (this) {
case LookbackPeriodInDays.sevenDays:
return 'SEVEN_DAYS';
case LookbackPeriodInDays.thirtyDays:
return 'THIRTY_DAYS';
case LookbackPeriodInDays.sixtyDays:
return 'SIXTY_DAYS';
}
}