minPercentOff property
Minimum percent off for a promotion with PERCENT_OFF_RANGE coupon value
type.
At least one of min_percent_off or max_percent_off must be present
when the coupon value type is PERCENT_OFF_RANGE. If neither is provided
an INVALID_PROMOTION_MISSING_BENEFIT_OR_RESTRICTION error is returned.
Optional.
Implementation
core.String? minPercentOff;