Property Glossary

MessageTypeIndicator

Identifies the kind of original card-network request message.

• 0100 Authorization Request
• 0101 Authorization Request Repeat
• 0110 Authorization Response
• 0120 Authorization Advice
• 0121 Authorization Advice Repeat
• 0130 Authorization Advice Response
• 0200 Financial Request
• 0201 Financial Request Repeat
• 0210 Financial Response
• 0220 Financial Advice
• 0221 Financial Advice Repeat
• 0230 Financial Advice Response
• 0382 Card Issuer File Update Request (AP)
• 0392 Card Issuer File Update Response (AP)
• 0420 Acquirer Reversal Advice
• 0421 Acquirer Reversal Advice Repeat
• 0430 Acquirer Reversal Response
• 0600 Administrative Request
• 0601 Administrative Request Repeat
• 0610 Administrative Response
• 0620 Administrative Advice

OutputMessageTypeIndicator

Identifies the response/output message type sent back through the network.

• 0110 Authorization Response
• 0130 Authorization Advice Response
• 0210 Financial Response
• 0230 Financial Advice Response
• 0392 Card Issuer File Update Response (AP)
• 0430 Acquirer Reversal Response
• 0610 Administrative Response

OutputResponseCode

Response/status code sent back in the output/response message.

• Same response-code set as am, for example 00 approved or 05 do not honor.

SystemTraceAuditNumber

Network trace number used to locate the transaction with the network provider.

• Usually a six-digit numeric string, for example 000055.

MerchantCategoryCode

Merchant category code describing the merchant type.

• Four-digit MCC, for example 5411
• 5947
• 6010
• 6011.

AcquirerInstitutionCountryCode

Three-digit numeric ISO country code for the acquiring institution. This maps to ISO 8583 Field 19 and should be validated against Country and Currency Codes.

• Three-digit numeric country code, for example 840 for the United States.

PointOfServicePanEntryMode

How the card number/PAN was entered at the point of sale.

• 01 manual
• 02 magnetic stripe
• 03 optical code
• 04 OCR
• 05 integrated circuit card/chip
• 06 key entered
• 07 contactless chip using chip data rules
• 81 stored
• 82 digitally stored mobile browser
• 84 MICR
• 90 full magnetic stripe read
• 91 contactless using magnetic-stripe data rules
• 95 chip with possibly unreliable CVV, or unspecified/blank.

PointOfServicePinEntryMode

How PIN entry was handled at the point of sale.

• 0 unspecified
• 1 PIN entry capability
• 2 no PIN entry capability
• 6 PIN pad inoperative.

TransactionFeeAmount

Fee amount associated with the transaction in transaction currency.

• Decimal amount when present.

SettlementFeeAmount

Fee amount used for network settlement.

• Decimal amount when present.

Track2Data_ServiceCode

Service code read from track 2 card data.

• Typically, a three-digit service code.

RetrievalReferenceNumber

Network retrieval reference number used to locate/support the transaction.

• Usually a 12-character numeric string.

ResponseCode

Response/status code received from the original request message.

• 00: Approved or completed successfully
• 01: Refer to card issuer
• 02: Refer to card issuer, special conditions
• 03: Invalid merchant
• 04: Pick-up card
• 05: Do not honor
• 06: Error
• 07: Pick-up card, special conditions
• 08: Honor with identification
• 09: Request in progress
• 10: Approved for partial amount
• 11: Approved (VIP)
• 12: Invalid transaction
• 13: Invalid amount
• 14: Invalid card number (no such number)
• 15: No such issuer
• 16: Approved, update Track 3
• 19: Re-enter transaction
• 20: Invalid response
• 23: Unacceptable transaction fee
• 24: File update not supported by receiver
• 25: Unable to locate record on file
• 26: Duplicate file update record, no action
• 27: File update field edit error
• 28: File update record locked out
• 29: File update not successful, contact acquirer
• 30: Format error
• 31: Bank not supported by switch
• 33: Expired card, pick-up
• 34: Suspected fraud, pick-up
• 35: Card acceptor contact acquirer, pick-up
• 36: Restricted card, pick-up
• 37: Card acceptor call acquirer security, pick-up
• 38: Allowable PIN tries exceeded, pick-up
• 39: No credit account
• 40: Requested function not supported
• 41: Lost card, pick-up
• 42: No universal account
• 43: Stolen card, pick-up
• 44: No investment account
• 45: Check rejected - NSF
• 46: Check rejected - stop payment
• 47: Check rejected - two signatures required
• 48: Check rejected - closed account
• 49: Check rejected - other reason
• 50: Check rejected - hold on funds
• 51: Insufficient funds
• 52: No checking account
• 53: No savings account
• 54: Expired card
• 55: Incorrect PIN
• 56: No card record
• 57: Transaction not permitted to cardholder
• 58: Transaction not permitted to terminal
• 59: Suspected fraud
• 60: Card acceptor contact acquirer
• 61: Exceeds amount limit
• 62: Restricted card
• 63: Security violation
• 65: Exceeds frequency limit
• 66: Card acceptor call acquirer security
• 67: Hard capture, pick-up
• 75: Allowable number of PIN tries exceeded
• 76: Key synchronization error
• 87: Check already posted
• 88: Information not on file
• 89: Card verification value (CVV) verification failed; no pickup
• 90: Cutoff is in progress
• 91: Issuer or switch is inoperative
• 92: Financial institution or intermediate network unknown for routing
• 93: Transaction cannot be completed; violation of law
• 94: Duplicate transaction
• 96: System malfunction
• D1: NSF - overdraft fee eligible
• R0: Payment cancellation order
• R1: Revocation of authorization order
• R3: Preauthorized payment revocation order
• X4: Consumer transaction controls decline

CardAcceptorCountryCode

Two-character alpha ISO country code for where the card acceptor/merchant is located. This is the country portion of the card acceptor location and should be validated against Country and Currency Codes.

• Two-character alpha country code, for example US or GB.

PinValidationCode

Indicates the PIN validation result when DPS sends one. Helix stores one character from the raw 16-character PIN result field.

• 0: PIN was invalid
• 1: PIN was valid
• 2: PIN was not validated or DPS did not replace the PIN data with a valid/invalid result. This can happen when the transaction did not contain track data, the institution is not configured for DPS PIN validation, or the institution has not enabled the DPS option to replace the PIN with a validation result.

AdditionalAmounts_Purchase

Purchase portion of additional amounts supplied by the network.

• Decimal amount, often 0.0 when not applicable.

AdditionalAmounts_Gratuity

Tip/gratuity amount supplied with the transaction.

• Decimal amount in payload examples; glossary also notes zero-padded source values with implied two decimals.

AdditionalFees_CCA

Cardholder/acquirer additional fee amount supplied by the network.

• Decimal amount, often 0.0 when not applicable.

AdditionalFees_ICA

Interchange or issuer/acquirer additional fee amount supplied by the network.

• Decimal amount, often 0.0 when not applicable.

NationalPointOfServiceCondition_TerminalUnattended

Indicates whether the terminal was attended or unattended.

• 0 attended
• 1 unattended.

NationalPointOfServiceCondition_TerminalOperator

Indicates who operated the terminal.

• 0 customer operated
• 1 card acceptor operated
• 2 administrative.

NationalPointOfServiceCondition_TerminalPremises

Indicates whether the terminal was on/off merchant premises or ecommerce.

• 0 on premise
• 1 off premise
• 3 electronic commerce.

NationalPointOfServiceCondition_CardPresentation

Indicates whether/how the customer was present for the transaction.

• 0 customer present
• 1 customer not present
• 2 mail/telephone order unknown classification
• 4 recurring
• 5 installment
• 6 account top-up
• 8 pre-authorized purchase
• 9 single mail/telephone order.

NationalPointOfServiceCondition_CardPresence

Indicates whether the card was present.

• 0 card present
• 1 card not present
• 8 pre-authorized purchase.

NationalPointOfServiceCondition_CardRetention

Indicates whether the terminal can retain the card.

• 0 no card-retention capability
• 1 has card-retention capability.

NationalPointOfServiceCondition_CardTransaction

Describes special card-transaction handling.

• 1 incremental authorization
• 2 delayed charges
• 3 no-show
• 4 merchant authorized transaction
• 5 resubmission
• 6 reauthorization

NationalPointOfServiceCondition_SecurityCondition

Describes POS/security-related transaction condition.

• In Auth docs list 1 incremental authorization
• 2 delayed charges
• 3 no-show
• 4 merchant authorized transaction
• 5 resubmission
• 6 reauthorization; debit-card examples also show 0 and 8.

NationalPointOfServiceCondition_TerminalType

Identifies the terminal or acceptance channel.

• 00: Administrative terminal
• 01: POS terminal
• 02: ATM
• 03: Home terminal
• 04: ECR
• 05: Dial terminal
• 06: Travelers check machine
• 07: Fuel machine
• 08: Scrip machine
• 09: Coupon machine
• 10: Ticket machine
• 11: Point-of-banking terminal
• 12: Teller
• 13: Franchise teller
• 14: Personal banking
• 15: Public utility
• 16: Vending
• 17: Self-service
• 18: Authorization
• 19: Payment
• 20: VRU
• 21: Smart phone
• 22: Interactive television
• 23: PDA
• 24: Screen phone
• 25: Internet terminal
• 26: MICR terminal
• 27: Mobile acceptance solution

NationalPointOfServiceCondition_TerminalEntryCapability

Identifies what entry methods the terminal supports.

• 0 unknown
• 1 manual/no terminal
• 2 magnetic stripe
• 3 QR code
• 4 OCR
• 5 ICC/chip
• 6 key entered
• 9 file
• S MICR reader
• T contactless
• U contactless via magnetic-stripe rules.

Advice_ReasonCode

Reason for an advice or forced-post message. Use with cp (Advice_OriginatorCode) to understand who originated the advice.

• 0: Not an advice; cp should also be 0
• 1: Timed-out request
• 2: Issuer not available
• 3: Issuer signed off
• 4: Within business agreement
• 5: POS alternate authorization
• 6: POS merchant authorization
• 7: POS switch authorization under floor limit
• 8: Encryption key not established
• 9: AFD completion advice
• A: Merchant fraud assessment decline
• B: Transaction blocked
• C: Suspended
• D: Deactivated
• E: Batch clearing from dual-message merchant
• F: Clearing below floor limit
• G: Clearing with no authorization performed
• H: Clearing of an authorized transaction
• I: Clearing of an unauthorized transaction

PrivatelyDefinedData_AcquirerNetworkIdCode

Network from which DPS acquired the transaction.

• Network identifier, examples VSN
• MNP
• APT.

PrivatelyDefinedData_AdditionalTransactionElement_FallbackIndicator

Shows whether the transaction fell back to magnetic stripe when chip/contactless was expected.

• Blank or 0 not fallback
• 1 fallback.

PrivatelyDefinedData_ProcessingFlag_SpecialTransactionIndicator

Flags special transaction handling.

• A ASI
• B token account verification
• C cloud/HCE
• D device binding
• T tokenized
• V Verified by Visa enrollment, blank no special handling.

PrivatelyDefinedData_ProcessingFlag_ISAIndicator

Visa international service assessment indicator for currency/fee assessment.

• C single-currency ISA
• S multi-currency ISA
• R assessed and rebated, blank not applicable.

PrivatelyDefinedData_ProcessingFlag_PartialAuthIndicator

Whether the acquirer supports partial authorization.

• Y supports partial auth, blank does not support partial auth.

PrivatelyDefinedData_RiskData_ScoreSource

Source of network risk score data.

• 0 no Falcon processing
• 1 Online
• 2 Online Plus
• 3 Real-Time, or blank.

PrivatelyDefinedData_RiskData_ScoreValue

Risk score value from the network risk source.

• Falcon score 0000 to 0999; higher means more likely fraud. 9998 or 9999 can mean fraud-monitoring suppression. Blank-filled when not populated.

PrivatelyDefinedData_RiskData_ResponseCode

Response code from the Falcon/network risk service.

• 0 no response generated
• 1 approve
• 2 decline
• 3 refer
• 4 approve with identification
• 5 pick up card, or blank.

PrivatelyDefinedData_RiskData_FalconReason1

First Falcon fraud/risk reason code.

• Falcon reason code. Common documented values: 00 no code
• 01 unusual time
• 02 unusual MCC
• 03 high-risk MCC
• 04 suspicious high dollar
• 05 suspicious dollar amounts
• 06 suspicious geographic
• 07 suspicious approve/decline
• 08 suspicious auth velocity
• 09 suspicious post velocity
• 10 suspicious transaction type
• 11 suspicious account info
• 12 suspicious keyed activity
• 13 high-risk keyed activity
• 14 suspicious ATM cash
• 15 suspicious non-ATM cash
• 16 suspicious cash
• 17 suspicious phone
• 18 suspicious unattended gas
• 19 suspicious CAT activity
• 20 high-risk MCC amount
• 21 suspicious foreign activity
• 22 CVV/expiration mismatch
• 51 suspicious payment activity
• 52 suspicious payment amount
• 53 suspicious payment amount numbers, or blank-filled.

PrivatelyDefinedData_RiskData_FalconReason2

Second Falcon fraud/risk reason code.

• Same value set as bo.

PrivatelyDefinedData_RiskData_FalconReason3

Third Falcon fraud/risk reason code.

• Same value set as bo.

PrivatelyDefinedData_RiskData_VisaRiskScore

Visa risk score for the transaction.

• Visa score/code, examples blank
• 09
• 87.

PrivatelyDefinedData_RiskData_VisaRiskReason

Visa risk reason explaining the risk score.

• Visa reason code, example 5A or blank-filled.

PrivatelyDefinedData_RiskData_VisaRiskConditionCode1

First Visa risk condition code.

• Visa condition code, examples 02
• 15, blank.

PrivatelyDefinedData_RiskData_VisaRiskConditionCode2

Second Visa risk condition code.

• Visa condition code, examples C2, blank.

PrivatelyDefinedData_RiskData_VisaRiskConditionCode3

Third Visa risk condition code.

• Visa condition code, examples 00
• BT, blank.

PrivatelyDefinedData_RiskData_VAAConditionCode1Rank

Rank/priority for Visa advanced-authorization condition code 1.

• 2 high risk for fraud
• 1 medium risk for fraud
• 0 low risk for fraud, or blank.

PrivatelyDefinedData_RiskData_RTDResultCode

Real-time decisioning result code from network risk data.

• D declined by RTD
• R referred by RTD, blank no RTD result; examples can show 0.

PrivatelyDefinedData_RiskData_TravelStatusIndicator

Indicates travel-related risk/status for the cardholder or transaction.

• A cardholder may be traveling and destination matches
• B cardholder may be traveling and destination unknown, blank/no travel status; examples can show 0.

NetworkManagementInformationCode

Network management information code for Falcon network-management or error messages.

• 830 Falcon case management message
• 831 Falcon action
• 832 Falcon comment
• 850 Falcon online scoring request message
• 851 Falcon real-time scoring request message
• 900 message format / syntax error message

FalconCaseStatus

Status of the Falcon fraud case.

• Falcon status code when present.

FalconCaseSubStatus

More specific Falcon fraud case status.

• Falcon substatus code when present.

FalconBlockCode

Falcon block code applied to the card or transaction.

• Falcon block code when present.

FalconFraudCode

Falcon fraud classification code.

• Falcon fraud code when present.

Cvv2PresenceIndicator

Indicates whether CVV2 was present in the authorization.

• 0 CVV2 bypassed/not provided
• 1 CVV2 present
• 2 CVV2 on card but illegible
• 9 cardholder says card has no CVV2 imprint.

Cvv2Result

Result of CVV2 verification.

• M match
• N no match
• P not processed
• S should be on card but merchant says not present
• U issuer not certified or keys not provided.

Token

Token value associated with a tokenized card transaction.

• Token string when present.

TokenAssuranceLevel

Confidence/assurance level for the payment token.

• Network token assurance code when present.

DigitalWalletTokenRequestorTypeId

Identifies the token requestor for a digital-wallet token. This table can grow dynamically, so clients should allow values beyond the seeded list.

• 40010030273: Apple Pay
• 40010075001: Google Pay
• 40010043095: Samsung Pay
• 40010075338: Visa Checkout
• 40010075449: Facebook
• 40010075839: Netflix

TokenExpirationDate

Expiration date for the token.

• Date-like network value when present.

PaymentAccountReferenceNumber

Stable reference tying tokenized credentials back to the underlying payment account.

• Payment account reference string, example 10010014621056636090615846428.

PrivatelyDefinedData_TransactionLevel_CredentialOnFileIndicator

Indicates whether the transaction used a credential/card on file.

• Network flag, examples N or blank.

PrivatelyDefinedData_TransactionLevel_CryptocurrencyPurchaseIndicator

Indicates whether the transaction was a cryptocurrency purchase.

• Network flag, examples N or blank.

AvsResult

Address Verification Service result.

• A street address only partial match
• N non-match
• R indeterminate/retry
• U unable to verify
• Y full match
• Z postal/ZIP only partial match; examples can show M.

Advice_OriginatorCode

Identifies who originated an advice message.

• 0 not an advice
• 1 card acceptor
• 2 acquirer
• 3 stand-in agent.

Card Control Tag

Client tag of the card control evaluated against the authorization.

• Card-control tag string when a card control was evaluated.

Card Control Rule Tag

Client tag of the card-control rule that matched.

• Rule tag string when a rule matched.

Card Control Rule Source

Who owns the matched card-control rule.

• Customer
• Program, or null/omitted.

Card Control Result

Result of the matched card-control rule.

• 0 declined
• 1 allowed.

In Auth Program Result

Program/client's In Auth decision for the authorization.

• 1: Approve
• 2: Decline
• 3: Abstain

In Auth Helix Result

Helix's result for the In Auth call to the program.

• 1: Success
• 2: Error
• 3: Timeout
• 4: Customer token not set
• 5: Program HTTP error
• 6: Unknown timeout

Program Response Duration in Ms

How long the program's In Auth response took, in milliseconds.

• Integer millisecond duration.

Tap-to-Phone Indicator

Identifies transactions initiated through Tap to Phone/contactless acceptance.

• Network indicator, example 0001.

Card Lock Status

Current lock state indicator for the card in a card-modified event.

• Numeric lock-state value from card state; examples can show 0. Use da for the user-friendly lock type code when present.

Card Lock Reason Type Code

Reason the card lock was applied.

• UNK: Unknown
• STL: Stolen
• LST: Lost
• FRD: Suspected fraud
• DMG: Physical damage
• DMR: Prepaid in-branch replacement with stock card
• ADM: Administrative
• TMP: Temporary
• PIN: PIN retry exceeded
• NAM: Name change
• UPG: Due to upgrade
• DEC: Deceased
• ESC: Escheatment
• DES: Destroyed
• ACL: Account closure
• STA: Stale
• VOD: Voided

Card Lock Type Code

Type of card lock currently applied.

• UNL: Unlocked
• CST: Customer locked
• SYS: System locked

Visa Transaction ID

Visa DPS original transaction identifier.

• Visa transaction identifier string, for example 000055202507289.

Transaction Local Date

Local date of the transaction at the merchant/acquirer.

• MMDD-style string in examples, for example 0326
• 1116.

Transaction Local Time

Local time of the transaction at the merchant/acquirer.

• HHMMSS-style string in examples, for example 022827
• 160135.

PrivatelyDefinedData_RiskData_MasterCardFraudScore

Mastercard fraud score; higher values generally mean higher risk.

• Three-character score/code. Docs note XXX unable to return score and ZZZ fraud server unavailable; examples include 000 and blank-filled.

PrivatelyDefinedData_RiskData_MasterCardRiskCondition1

First Mastercard fraud condition indicator.

• Mastercard condition code, examples 00 or blank-filled.

PrivatelyDefinedData_RiskData_MasterCardRiskCondition2

Second Mastercard fraud condition indicator.

• Mastercard condition code, examples 00 or blank-filled.

PrivatelyDefinedData_RiskData_MasterCardFraudScoreReason

Reason associated with the Mastercard fraud score.

• Mastercard reason code, examples 00 or blank-filled.

In Auth Reason Code

Program-supplied reason code for an In Auth result.

• Program-defined reason code when supplied.

CardholderCustomerId

Customer ID for the business cardholder who performed the card transaction.

• Numeric Helix customer ID; 0 can appear when not applicable.

RSM Rule ID

Risk Services Manager rule that caused a debit-card decline.

• RSM rule identifier.

TransactionCurrencyCode

Three-digit numeric ISO currency code for transaction and fee amounts. This maps to ISO 8583 Field 49 and should be validated against Country and Currency Codes.

• Three-digit numeric currency code, for example 840 for USD
• 978 for EUR, including Bulgaria-originated original Visa DPS transactions after December 31, 2025 at 22:00 GMT.

TransactionAmount

Amount requested by the cardholder in local transaction currency, excluding transaction fee.

• Decimal amount, examples 0.0
• 20.0
• 2000.0.

SettlementAmount

Amount transferred between acquirer and issuer for settlement.

• Decimal amount, example 400.0.

SettlementConversionRate

Rate used to convert transaction amount to settlement amount.

• Decimal/rate value when conversion applies.

TransmissionDateTime

Date and time the network request was transmitted.

• MMDDHHMMSS-style string in examples, for example 0326022827
• 1021220135.

CardIssuanceType

Type of card issuance.

• Physical
• Digital with Physical
• Digital without Physical
• Virtual.

AcquirerId

Acquiring institution identifier.

• Acquirer/IID string, examples 12345678901
• 59123456789.

PrivatelyDefinedData_TransactionLevel_3DSIndicator

3-D Secure version/authentication method indicator.

• 0 3DS 1.0.2
• 1 static passcode
• 2 SMS OTP
• 3 key fob/card reader OTP
• 4 app OTP
• 5 other OTP
• 6 KBA
• 7 OOB biometric
• 8 OOB app login
• 9 other OOB
• A other method
• B unrecognized
• C push confirmation
• D frictionless RBA review
• E attempts server
• F frictionless RBA
• G ACS-specific/MC 3DS 1.0
• H ACS-specific 2/MC 3DS 2.0
• I through K ACS-specific methods
• L delegated trusted auth
• M decoupled
• N WebAuthn
• O secure payment confirmation
• P behavioral biometrics
• Z unknown, blank space.

LargePrivateData_Ecommerce_3DSBrowserIPAddress

Browser IP address from the 3DS requestor context.

• IP address string.

LargePrivateData_Ecommerce_3DSAppIPAddress

Public device/app IP address used by the 3DS requestor app.

• IP address string.

LargePrivateData_Ecommerce_3DSDeviceID

Device identifier used across 3DS transactions for the same device.

• Device ID string.

LargePrivateData_Ecommerce_3DSDeviceType

Device type used for the 3DS transaction.

• 01 desktop
• 02 TV connected
• 03 tablet/mobile
• 04 headless/voice
• 05 wearable
• 06 IoT
• 99 other.

LargePrivateData_Ecommerce_CAVVType

Type/version of CAVV authentication value data.

• Network CAVV type code when present.

CAVV_3DSResultsCode

Result code from 3DS/CAVV validation.

• Network 3DS/CAVV result code when present.

AuthenticationMethod

Authentication method used for the ecommerce/3DS transaction.

• Network authentication method code when present.

SecureAuthenticationResultCode

Secure-authentication result code.

• Network secure-auth result code when present.

CAVV_KeyIndicator

Key indicator used with CAVV data.

• Network CAVV key indicator when present.

• INSTALL: Cardholder not present, installment payment
• MAILTEL: Cardholder not present, mail or telephone order
• MOBILE: Mobile
• NOTPRESENT: Cardholder not present, unspecified
• PRESENT: Cardholder present
• RECUR: Cardholder not present, recurring payment
• TRANSFER: Money Transfer
• UNKNOWN: Unknown
• WEB: Web

• NOTPRESENT: Card not present
• PRESENT: Card present
• PREAUTH: Pre-authorized purchase

Unique Helix customer ID related to the event.

• Numeric Helix customer ID.

Client-provided customer tag for the impacted/customer record, when available.

• Freeform client tag string.

• RGD: Regulation D Fee
• RTN: Return Item Fee
• NSF: Insufficient Funds Fee

Helix user ID directly impacted by the event. Often matches impactedCustomerId for customer-level events.

• Numeric Helix user ID.

Indicates whether the transaction is a credit rather than a debit.

• Boolean-style value when present, typically true/false or equivalent serialized value.

Channel/type of the customer's most recent contact.

• Contact-type code from customer contact configuration; docs currently do not enumerate values on the glossary page.

• 1: Shazam
• 2: VisaDpsApplicable only to debit card events.

• KEY: Manually (key) entered
• MAG: Magnetic stripe read
• MAN: Manual, no terminal
• UNK: Unknown

• 01: Key Entered
• 02: On File
• 03: Mobile Banking App
• 04: PAN Source
• 05: Chip dip
• 06: Contactless tap

• N/A: Not Applicable
• PIN: Network Provider-verified PIN
• PWD: Password authentication

Unique Helix program ID for the program that owns the event.

• Numeric Helix program ID.

• REQ: Request; Helix approved or denied the message.
• ADV: Advice; The network provider approved or denied the message and notified Helix afterwards.

• 24: Visa cannot accept msg
• 25: Wrong PAN
• 27: Invalid Data
• 28: File currently open and in use
• 29: Update failed

• ECOMM: Electronic Commerce
• OFFPREM: Off premise
• ONPREM: On premise

• ATTENDED: Terminal was attended
• NOTERM: No terminal
• UNATTENDED: Terminal was unattended

Current status of the transaction represented by the event.

• Transaction status string/code from the transaction object.

Client-provided tag for the related transaction.

• Freeform transaction tag string.