Iso20022

AcceptorDiagnosticResponseV05

caaa.014.001.05

The AcceptorDiagnosticResponse message is sent by the acquirer (or its agent) to provide to the acceptor the result of the diagnostic request.

Message Construction

Every ISO20022 message has at the highest level what we call ‘building blocks’. Because the message is constructed as immutable records, the association is by composition. Below you can see the relationship between the message and its constituent building blocks: For comparison, see the ISO20022 official specification

classDiagram
     direction LR
%% AcceptorDiagnosticResponseV05 recursion level 0 with max 0
AcceptorDiagnosticResponseV05 *-- "1..1" Header30 : Header
AcceptorDiagnosticResponseV05 *-- "1..1" AcceptorDiagnosticResponse4 : DiagnosticResponse
AcceptorDiagnosticResponseV05 *-- "0..1" ContentInformationType15 : SecurityTrailer

Now, we will zero-in one-by-one on each of these building blocks.

Header building block

Diagnostic response message management information. Set of characteristics related to the protocol. For comparison, see the ISO20022 official specification

classDiagram
   direction tb
%% Header30 recursion level 0 with max 1
class Header30{
    MessageFunction MessageFunction10Code
    ProtocolVersion IsoMax6Text
    ExchangeIdentification IsoNumber
    CreationDateTime IsoISODateTime
}
Header30 *-- "1..1" GenericIdentification53 : InitiatingParty
Header30 *-- "0..1" GenericIdentification94 : RecipientParty
Header30 *-- "0..0" Traceability5 : Traceability
%% GenericIdentification53 recursion level 1 with max 1
class GenericIdentification53{
    Identification IsoMax35Text
    Type PartyType3Code
    Issuer PartyType4Code
    Country IsoMin2Max3AlphaText
    ShortName IsoMax35Text
}
%% GenericIdentification94 recursion level 1 with max 1
class GenericIdentification94{
    Identification IsoMax35Text
    Type PartyType3Code
    Issuer PartyType4Code
    Country IsoMin2Max3AlphaText
    ShortName IsoMax35Text
}
GenericIdentification94 *-- "0..1" NetworkParameters5 : RemoteAccess
%% Traceability5 recursion level 1 with max 1
class Traceability5{
    ProtocolName IsoMax35Text
    ProtocolVersion IsoMax6Text
    TraceDateTimeIn IsoISODateTime
    TraceDateTimeOut IsoISODateTime
}
Traceability5 *-- "1..1" GenericIdentification76 : RelayIdentification

Header30 members

Member name Description Data Type / Multiplicity
MessageFunction Identifies the type of process related to the message. MessageFunction10Code - Required 1..1
ProtocolVersion Version of the acquirer protocol specifications. IsoMax6Text - Required 1..1
ExchangeIdentification Unique identification of an exchange occurrence. IsoNumber - Required 1..1
CreationDateTime Date and time at which the message was created. IsoISODateTime - Required 1..1
InitiatingParty Unique identification of the partner that has initiated the exchange. GenericIdentification53 - Required 1..1
RecipientParty Unique identification of the partner that is the recipient of the message exchange. GenericIdentification94 - Optional 0..1
Traceability Identification of partners involved in exchange from the merchant to the issuer, with the relative timestamp of their exchanges. Traceability5 - Unknown 0..0

DiagnosticResponse building block

Information related to the diagnostic response. Diagnostic response from the acquirer. For comparison, see the ISO20022 official specification

classDiagram
   direction tb
%% AcceptorDiagnosticResponse4 recursion level 0 with max 1
AcceptorDiagnosticResponse4 *-- "1..1" CardPaymentEnvironment43 : Environment
AcceptorDiagnosticResponse4 *-- "0..1" TMSTrigger1 : TMSTrigger
%% CardPaymentEnvironment43 recursion level 1 with max 1
class CardPaymentEnvironment43{
    AcquirerAvailable IsoTrueFalseIndicator
}
CardPaymentEnvironment43 *-- "1..1" Acquirer4 : Acquirer
CardPaymentEnvironment43 *-- "0..1" GenericIdentification53 : MerchantIdentification
CardPaymentEnvironment43 *-- "0..1" GenericIdentification32 : POIIdentification
%% TMSTrigger1 recursion level 1 with max 1
class TMSTrigger1{
    TMSContactLevel TMSContactLevel1Code
    TMSIdentification IsoMax35Text
    TMSContactDateTime IsoISODateTime
}

AcceptorDiagnosticResponse4 members

Member name Description Data Type / Multiplicity
Environment Environment of the transaction. CardPaymentEnvironment43 - Required 1..1
TMSTrigger Instructions for contacting the terminal management host. TMSTrigger1 - Optional 0..1

SecurityTrailer building block

Trailer of the message containing a MAC. General cryptographic message syntax (CMS) containing authenticated data. For comparison, see the ISO20022 official specification

classDiagram
   direction tb
%% ContentInformationType15 recursion level 0 with max 1
class ContentInformationType15{
    ContentType ContentType2Code
}
ContentInformationType15 *-- "1..1" AuthenticatedData4 : AuthenticatedData
%% AuthenticatedData4 recursion level 1 with max 1
class AuthenticatedData4{
    Version IsoNumber
    MAC IsoMax140Binary
}
AuthenticatedData4 *-- "1..0" IRecipient4Choice : Recipient
AuthenticatedData4 *-- "1..1" AlgorithmIdentification15 : MACAlgorithm
AuthenticatedData4 *-- "1..1" EncapsulatedContent3 : EncapsulatedContent

ContentInformationType15 members

Member name Description Data Type / Multiplicity
ContentType Type of data protection. ContentType2Code - Required 1..1
AuthenticatedData Data protection by a message authentication code (MAC). AuthenticatedData4 - Required 1..1

Extensibility and generalization considerations

To facilitate generalized design patterns in the system, the AcceptorDiagnosticResponseV05 implementation follows a specific implementaiton pattern. First of all, AcceptorDiagnosticResponseV05 impleemnts IOuterRecord indicating it is the outermost logical part of the message definition. Like all message wrappers, AcceptorDiagnosticResponseV05Document implements IOuterDocument. Because AcceptorDiagnosticResponseV05 implements IOuterDocument, it is a suitable template parameter for IOuterDocument, and causes the internal ‘Message’ to be of type AcceptorDiagnosticResponseV05.

classDiagram
    class IOuterRecord
    AcceptorDiagnosticResponseV05 --|> IOuterRecord : Implements
    AcceptorDiagnosticResponseV05Document --|> IOuterDocument~AcceptorDiagnosticResponseV05~ : Implements
    class IOuterDocument~AcceptorDiagnosticResponseV05~ {
        AcceptorDiagnosticResponseV05 Message
     }

Document wrapper for serialization

The only real purpose AcceptorDiagnosticResponseV05Document serves is to cause the document to be serialized into the ‘urn:iso:std:iso:20022:tech:xsd:caaa.014.001.05’ namespace. Therefore, it will probably be the usual practice to build the message and construct this wrapper at the last minute using AcceptorDiagnosticResponseV05.ToDocument() method. The returned AcceptorDiagnosticResponseV05Document value will serialize correctly according to ISO 20022 standards.

classDiagram
    AcceptorDiagnosticResponseV05Document *-- AcceptorDiagnosticResponseV05 : Document

Sample of message format

This is an abbreviated version of what the message should look like.

<Document xmlns="urn:iso:std:iso:20022:tech:xsd:caaa.014.001.05">
    <AccptrDgnstcRspn>
        <Hdr>
            <!-- Header inner content -->
        </Hdr>
        <DgnstcRspn>
            <!-- DiagnosticResponse inner content -->
        </DgnstcRspn>
        <SctyTrlr>
            <!-- SecurityTrailer inner content -->
        </SctyTrlr>
    </AccptrDgnstcRspn>
</Document>

Data from ISO specification

This is the technical data from the specification document.

<messageDefinition
  xmi:id="_SGaJwY3YEeW56qaqQ8B0kQ"
  nextVersions="_YPUKYds5Eee9e6xduATmQg"
  previousVersion="_hyw_gWpBEeS4VPLpYyQgxQ"
  name="AcceptorDiagnosticResponseV05"
  definition="The AcceptorDiagnosticResponse message is sent by the acquirer (or its agent) to provide to the acceptor the result of the diagnostic request."
  registrationStatus="Registered"
  messageSet="_urpIICeJEeOCeO5e7islRQ"
  xmlTag="AccptrDgnstcRspn"
  rootElement="Document"
  xmlns:xmi="http://www.omg.org/XMI">
  <doclet
    xmi:id="_SGaJw43YEeW56qaqQ8B0kQ"
    type="purpose" />
  <messageBuildingBlock
    xmi:id="_SGaJxY3YEeW56qaqQ8B0kQ"
    nextVersions="_YPUKZds5Eee9e6xduATmQg"
    previousVersion="_hyw_hWpBEeS4VPLpYyQgxQ"
    name="Header"
    definition="Diagnostic response message management information."
    registrationStatus="Provisionally Registered"
    maxOccurs="1"
    minOccurs="1"
    xmlTag="Hdr"
    complexType="_IWFRgY0PEeWRYffwL7E13A" />
  <messageBuildingBlock
    xmi:id="_SGaJx43YEeW56qaqQ8B0kQ"
    nextVersions="_YPUKZ9s5Eee9e6xduATmQg"
    previousVersion="_hyw_h2pBEeS4VPLpYyQgxQ"
    name="DiagnosticResponse"
    definition="Information related to the diagnostic response."
    registrationStatus="Provisionally Registered"
    maxOccurs="1"
    minOccurs="1"
    xmlTag="DgnstcRspn"
    complexType="_p4UxYWpBEeS4VPLpYyQgxQ" />
  <messageBuildingBlock
    xmi:id="_SGaJyY3YEeW56qaqQ8B0kQ"
    nextVersions="_YPUKads5Eee9e6xduATmQg"
    previousVersion="_hyw_iWpBEeS4VPLpYyQgxQ"
    name="SecurityTrailer"
    definition="Trailer of the message containing a MAC."
    registrationStatus="Provisionally Registered"
    maxOccurs="1"
    minOccurs="0"
    xmlTag="SctyTrlr"
    complexType="_uSOuUCrHEeWRf8RNsvC5fQ" />
  <messageDefinitionIdentifier
    businessArea="caaa"
    messageFunctionality="014"
    flavour="001"
    version="05" />
</messageDefinition>

ISO Building Blocks

The following items are used as building blocks to construct this message.