//SetUnderlyingQty sets UnderlyingQty, Tag 879
func (m DerivativeSecurityListRequest) SetUnderlyingQty(value decimal.Decimal, scale int32) {
m.Set(field.NewUnderlyingQty(value, scale))
}
//SetUnderlyingQty sets UnderlyingQty, Tag 879
func (m DerivativeSecurityListRequest) SetUnderlyingQty(v float64) {
m.Set(field.NewUnderlyingQty(v))
}