@startuml CCNewMessageAttachment
'layout
skinparam class {
    BackgroundColor White
    BorderColor Black
    ArrowColor Black
  }
hide circle
hide empty members
skinparam SameClassWidth true
skinparam Ranksep 10


'title
title Simplified example: New message with Attachment 

'Message 1: New message
package "Message 1: New message" as new <<Frame>>{
    class "Bundle 1" as newB {
        Bundle.id = BUN1
        Bundle.timestamp = 2021-12-03T14:00:10Z
        ...
    }
    class "MessageHeader 1" as newMH{
        MessageHeader.id = MHID1
        ...
    }
    class "Sender Organization 1" as newSOrg{
        ...
    }
    class "Reciver Organization 1" as newROrg{
        ...
    }
    class "Communication 1" as newCom{
        Communication.status = "unknown"
        Communication.class = "medicine"
        Communication.sent = 2021-12-03T14:00:00Z
        Communication.payload[0].contentString = "Question regarding medicine"
        Communication.payload[0].payloadDateTimeExtension = 2021-12-03T13:34:00Z
        Communication.payload[0].payloadAuthorExtension = Practitioner/Prac1
        Communication.payload[1].contentAttachment.data = "IlBERi1kb2N1bWVudCBvZiBNZWRpY2F0aW9uIFJlY2llcHQi" 
        Communication.payload[1].contentAttachment.title = "Medication Receipt"
        Communication.payload[1].contentAttachment.contentType = "application/pdf"
        Communication.payload[1].payloadDateTimeExtension = 2021-12-02T12:34:56Z
        Communication.payload[1].payloadAuthorExtension = Practitioner/Prac1
        ...
    }
    class "Encounter 1" as newENC{
        Encounter.status = "in-progress"
        Encounter.class = "IMP"
        ...
    }
    class "Patient 1" as newPT{
        ...
    }
    class "Practitioner 1" as newPrac{
        Practitioner.identifier = Prac1
        ...
    }
    class "PractitionerRole 1" as newPracR{
        ...
    }
    class "Provenance 1" as newPRO{
        Provenance.target = MessageHeader/MHID1
        Provenance.activity = "new-messsage"
        Provenance.agent.who = "Sender Organization 1"
        ...
    }

newB -[hidden]- newMH
newMH -[hidden]- newSOrg
newSOrg-[hidden]-newROrg
newROrg-[hidden]-newCom
newCom -[hidden]- newENC
newENC-[hidden]-newPT
newPT-[hidden]-newPrac
newPrac-[hidden]-newPracR
newPracR-[hidden]-newPRO

@enduml