The event that triggers this communication. Possible values: AfterHoursTextTriggerEvent, AmortizationSchedulePaymentEvent, AutoResponseTriggerEvent, AutomationNotCompletedEvent, ContractAvailableEvent, CustomerAppliedEvent, CustomerCreatedEvent, CustomerWasTaggedEvent, LastPaymentMethodDisabledEvent, LoanApprovedEvent, LoanCreatedEvent, LoanDeniedEvent, LoanPaidOffEvent, LoanPendingEvent, LoanWasTaggedEvent, LoanWithdrawnExpiredEvent, NotifyCoBorrower, NotifySpouseWhenLoanIsApprovedEvent, PaymentLateEvent, PaymentPostedEvent, PaymentReversedEvent, PaymentScheduledByCustomerEvent, PaymentSettledEvent, RefinanceEligibility, RefinanceLoanTriggerEvent, RefinancedLoanPaidOffEvent, ScheduledPaymentEvent. Sortable: Yes. Filter Operators: eq, sw, in, nin, ne, neq, nn, null