SUBSCRIPTIONACTIONS is available from CRM.COM R14.2.0
CREDITNOTES, INVOICES, INVOICECANCELLATIONS, LEADS, PAYMENTCANCELLATIONS, REFUNDS, REWARDOFFERS, WALLETS, WALLETTRANSACTIONS, WRITEOFFS are available from CRM.COM R15.0.0
entity_value
(mandatory and applicable only on add)
String
The primary key value of the entity which is added as an exceptional item of the retrieved segment