Possible enumeration values:

NameValueDescription
Tip

0

A Product that stands in for a Tip line item

CustomServicePricingOption

1

A Product that pays for a service, as defined by the subscriber

SystemServicePricingOption

2

A system-defined Product that pays for a service - for example, an Unpaid session

Retail

3

A Retail-type product (water, towels, mats, clothes, etc)

AccountCredit

4

A Product used when "purchasing" Account Credit (accruing a positive account balance)

GiftCard

5

A Gift Card