'UFJoin',
'UFField',
'PriceFieldValue',
- 'Website',
'JobLog',
'GroupContact',
'EntityTag',
'PaymentProcessorType',
'Relationship',
'RelationshipType',
- 'ParticipantPayment',
// ones that are not real entities hence not extendable.
'ActivityType',
'MailingContact',
'EntityTag',
'Participant',
- 'ParticipantPayment',
'Setting',
'SurveyRespondant',
'MailingRecipients',
'GroupContact',
'MembershipPayment',
'Participant',
- 'ParticipantPayment',
'LineItem',
'PledgePayment',
'ContributionPage',