#XML

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Extensible Markup Language (XML) is a markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable.

Learn more.

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Question Yone Moreno Jiménez · Feb 24

What is the most efficient way to debug encoding characters issues?

Hello, how are you?

Using Healthshare for Interoperability, we often see a wide variety of encoding issues. Some happen when transforming XML to HL7. Some happen the other ay around transforming HL7 to XML.

Is there a valid way to understand which encoding needs to be used?

I ask, because we use SOAP or REST or TCP HL7 services.

And we deliver messages with TCP HL7, SOAP, HTTP Operations.

And we often face this issue where special characters like ñ or á, are not encoded correctly.

Thanks for your replies.

#HealthShare #Other #HL7 #Interoperability #SOAP #XML
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Question Preedhi Garg · Jan 12

Does %XML.Security.Signature require a pre-existing <Signature> element when signing an XML document

I’m working on XML Digital Signature in InterSystems IRIS using %XML.Security.Signature

I start with an XML document that is created by parsing an input XML string, and I want to digitally sign this document using an X509 certificate.

Set x509 = ##class(%SYS.X509Credentials).GetByAlias(credAlias)
Set signature = ##class(%XML.Security.Signature).CreateX509(x509,$$$SOAPWSIncludeNone ,$$$KeyInfoX509Certificate)

Set signature.Id = "SIG1"
DO signature.SetSignatureMethod($$$SOAPWSrsasha1)
DO signature.SetDigestMethod($$$SOAPWSsha1)
Set signature.SignedInfo.CanonicalizationMethod.
#HealthShare #InterSystems IRIS for Health #Health Connect #InterSystems IRIS #XML
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Question Ashok Kumar T · Dec 15, 2025

Import deepsee(.dfi) files via IPM

Hello Community,

What is the correct way to import and compile .dfi files when using zpm load? Do .dfi files need to be defined in module.xml?

I have code that imports the .dfi file successfully; however, when I run
zpm "load /home/irisowner/dev/ -v"

I get the message: Unknown file type. Skipping file: .pivot.DFI

    zpm "install isc-dev"
    do ##class(dev.code).workdir(dir)
    do ##class(dev.code).import("*.DFI")

Thank you!

#InterSystems IRIS BI (DeepSee) #InterSystems IRIS for Health #InterSystems Package Manager (IPM) #XML
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Question Marco Bruni · Nov 28, 2025

Punctually access specific nodes of an XML document

Hello!
I have the following XML document obtained through a string:
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<MainDocument xmlns="urn:hl7-org:v3">
<realmCode code="IT"/>
<title>kjbkjkjbkjb</title>
<effectiveTime value="20090905150716"/>
[.....other tags.....]
<versionNumber value="1"/>
<component>
<body>mhvjhjkvhj</body>
<component>
<section>content</section>
<ID>5</ID>
<title>Certificato</title>
<text/>
<entry>
<Id>5</Id>
[...other tags...]
</entry>
<entry>
<Id>6</Id>
[

#InterSystems IRIS #ObjectScript #XML
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Question Yuriy Borokhov · Apr 1, 2017

XML to Json conversion

Hello,

Are there any utilities/api in HealthConnect 2016.2.1 that will allow conversion of XML virtual document to Json format? We were thinking to convert HL7 ADT message to XML via Ensemble DTL and then send it to another BP to convert to Json format for transmission via Web Services. To my understanding there isn't anyway to represent Json as a virtual object so it can be use for direct mapping of HL7 2.x message to Json via Ensemble DTL.

Thanks

Yuriy

#Ensemble #Health Connect #HealthShare #HL7 #JSON #Mapping #XML
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Article Alberto Fuentes · Mar 4, 2024 2m read

Customize how messages are displayed in Message Viewer

I would like to share with you a little trick to customize how messages are displayed in the Message Viewer. In particular, how you can display messages as JSON (instead of the default XML representation).

image

Messages are objects that are used to communicate interoperability productions components. In my example I have defined a message that later I serialize as JSON to send to an external API. This message is defined as a regular message and also as a %JSON.Adaptor so I can export / import directly to or from JSON.

Class interop.msg.DeviceOrderReq Extends (Ens.Request, %JSON.
#HealthShare #InterSystems IRIS #InterSystems IRIS for Health #API #HTML #JSON #Management Portal #ObjectScript #Visualization #XML
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Article Ashok Kumar T · Oct 20, 2025 11m read

XML to HL7, FHIR, and V2 Conversion

What is XML?

XML (eXtensible Markup Language) is a flexible, text-based, and platform-independent format used to store and transport data in a well-structured way that is both human- and machine-readable. XML permits users to define custom tags to describe the meaning and organization of their data. For example: <book><title>The Hitchhiker's Guide</title></book>.

An XML document is self-descriptive and structured as a hierarchical tree of elements. Every document has a single root element that encapsulates all other content.

#Health Connect #HealthShare #InterSystems IRIS #InterSystems IRIS for Health #FHIR #HL7 #Interoperability #JSON #ObjectScript #XML
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Question Nimisha Joseph · Oct 27, 2025

Unable to Edit and Resend XML from Message Viewer in Ensemble

Hi,

I’m working in Ensemble and trying to resend a message from the Message Viewer. The message is in XML format.

When I try to edit the XML before resending,

  • I open the message in the Message Viewer.

  • I click Resend or Edit & Resend.

I’m looking for guidance on:

  1. How to make a message editable in Message Viewer.

  2. The proper way to modify an XML message before resending in Ensemble/IRIS.

Any suggestions or examples would be very helpful.

#Ensemble #XML
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Article Harshitha · Oct 22, 2025 2m read

Tips on handling Large data

Hello community,

I wanted to share my experience about working on Large Data projects. Over the years, I have had the opportunity to handle massive patient data, payor data and transactional logs while working in an hospital industry. I have had the chance to build huge reports which had to be written using advanced logics fetching data across multiple tables whose indexing was not helping me write efficient code.

Here is what I have learned about managing large data efficiently.

Choosing the right data access method.

As we all here in the community are aware of, IRIS provides multiple ways to access data. Choosing the right method, depends on the requirement.

  • Direct Global Access: Fastest for bulk read/write operations. For example, if i have to traverse through indexes and fetch patient data, I can loop through the globals to process millions of records. This will save a lot of time.
Set ToDate=+H
Set FromDate=+$H-1 For  Set FromDate=$O(^PatientD("Date",FromDate)) Quit:FromDate>ToDate  Do
. Set PatId="" For  Set PatId=$Order(^PatientD("Date",FromDate,PatID)) Quit:PatId=""  Do
. . Write $Get(^PatientD("Date",FromDate,PatID)),!
  • Using SQL: Useful for reporting or analytical requirements, though slower for huge data sets.
#Caché #HealthShare #InterSystems IRIS #Globals #Indexing #JSON #Performance #SQL #XML
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Article Yuri Marx · Oct 9, 2025 4m read

Expand ObjectScript's ability to process YAML

The ObjectScript language has incredible JSON support through classes like %DynamicObject and %JSON.Adaptor. This support is due to the JSON format's immense popularity over the previous dominance of XML. JSON brought less verbosity to data representation and increased readability for humans who needed to interpret JSON content. To further reduce verbosity and increase readability, the YAML format was created. The very easy-to-read YAML format quickly became the most popular format for representing configurations and parameterizations, due to its readability and minimal verbosity.

#InterSystems IRIS #JSON #ObjectScript #XML
Open Exchange
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Question David Saunders · Sep 4, 2025

Need help with getting data from a Zen page property and setting column widths in my dynaGrid

Given the code below, I need help with getting the collected column widths from the Demo.Configuration table and stored in the columnWidths zne page property. As I understand it, I should be able to retrieve it using zenPage.columnWidths in the setColumnWidths or dgRender clientMethods but the alert is showing that it cannot be retrieved as it shows a value of Null. Once I can retrieve those values, then I want to set the widths of the colmns of the dynaGrid according to the values in the ^Demo.Configuration table. The data pulled in from the CSV file that creates ^Demo.

#Caché #CSS #HTML #JavaScript #XML #ZEN
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Job Ying Zhang · Jul 8, 2025

Seeking work HealthConnect experience

I am seeking work with InterSystems HealthConnect/Cache. My experience is working with Rules and DTLs, plus message search, and export of components.With 10 years of dedicated expertise in SOA and ESB platform development, I have successfully designed and implemented enterprise-level integration solutions for large organizations, driving significant improvements in system interoperability and business efficiency.I have actively developed and supported HL7 V2/V3 、FHIR、XML/JSON interfaces.I reside in China. Available for full-time or contract positions, with remote work options preferred.

#Job Wanted #FHIR #GitHub #HL7 #Interoperability #JSON #Message Search #XML
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Article Chi Nguyen-Rettig · Jun 1, 2025 3m read

IRIS Interop DevTools: A Jumpstart into IRIS Transformations for CCDA and FHIR

IRIS supports CCDA and FHIR transformations out-of-the-box, yet the ability to access and view those features requires considerable setup time and product knowledge. The IRIS Interop DevTools application was designed to bridge that gap, allowing implementers to immediately jump in and view the built-in transformation capabilities of the product.

#HealthShare #InterSystems IRIS #InterSystems IRIS for Health #API #Development Environment #FHIR #Interoperability #JSON #Mapping #XML
Open Exchange
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Article Muhammad Waseem · May 28, 2025 4m read

From Legacy to FHIR: Bridging Healthcare Data with IRIS-FHIR-Bridge


Hi Community,
In this article, I will introduce my application iris-fhir-bridge 
IRIS-FHIR-Bridge is a robust interoperability engine built on InterSystems IRIS for Health, designed to transform healthcare data across multiple formats into FHIR and vice versa. It leverages the InterSystems FHIR Object Model (HS.FHIRModel.R4.*) to enable smooth data standardization and exchange across modern and legacy healthcare systems.

#InterSystems IRIS for Health #API #Contest #CSV #FHIR #HL7 #Interoperability #JSON #XML
Open Exchange
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Question Lee Butcher · May 19, 2025

xmlns attribute name duplicated when transforming HL7 message to XML

As part of a process to generate FHIR XML bundles from HL7 messages, I have a subtransform transforming segments of an MDM_T02 message into a section of XML (EnsLib.EDI.XML.Document). So far this has worked well although I've encountered strange behaviour when making use of an xmlns attribute, whereby the attribute's name is duplicated despite the schema and DTL editor displaying it correctly.

Here's a snippet of the div.xmlns definition from the XSD schema used

Has anyone else encountered this? Any help is much appreciated

#Ensemble #HealthShare #DTL #XML
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Question Scott Roth · May 13, 2025

Outbound HL7 HTTP Messaging - Unsupported Media Type

We are attempting to send HL7 messages over to CBOARD NetMenu over HTTP using SSL. We set this up using the EnsLib.HL7.Operation.HTTPOperation adapter. When we attempt to send the message we are receiving 

MSH|^~\&|||DIETOE|A6M0|202505131437||ACK^HTTP^415|00|P|2.1 MSA|AE|9165602|HTTP (N)ACK 'HTTP/1.1 415 Unsupported Media Type'

The vendor mentioned something about putting a SOAP/XML wrapper around the HL7 message but isn't that what the HTTPOperation adapter does? Why would we be getting Unsupported Media Type. How would we go about setting the Media Type for the HTTP HL7 message?

#InterSystems IRIS for Health #Health Connect #InterSystems IRIS #HL7 #XML
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Article Enrico Parisi · May 2, 2025 3m read

Minify XML in IRIS

In a project I'm working on we need to store some arbitrary XML in the database. This XML does not have any corresponding class in IRIS, we just need to store it as a string (it's relatively small and can fit in a string).
Since there are MANY (millions!) of records in the database I decided to reduce as much as possible the size without compressing. I know that some XML to be stored is indented, some not, it varies.
To reduce the size I decided to minify  the XML, but how do I minify an XML document in IRIS?

#InterSystems IRIS #InterSystems IRIS for Health #XML
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Question Nimisha Joseph · Apr 14, 2025

How to Output <element xsi:nil="true"/> from a DTL Transformation in EnsLib.EDI.XML.Document?

Hi everyone,

I'm working on a DTL that transforms an HL7 message (EnsLib.HL7.Message) to an XML document (EnsLib.EDI.XML.Document).

The target XML is based on a custom schema and has an element like:

What I need is for the output to show:

<deceasedDateTime xsi:nil="true"/> when the source HL7 value is empty, for eg: 

<portalPatientUpdate xmlns:xsi="http://www.w3.

#Caché #Ensemble #InterSystems IRIS for Health #DTL #HL7 #XML
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Question José Francisco Jodar · Apr 9, 2025

Validate XML message against XSD schema


I'm trying to validate a %Stream.GlobalCharacter with an XML content against an XSD schema, to validate mandatory nodes, etc...

I'm trying to use the Ens.Util.XML.Validator class, as suggested on this post:

https://community.intersystems.com/post/validate-xml-message-against-xsd...

However, when calling the ValidateStream method, if schemaSpec is left empty, it just validates that is a "valid

#InterSystems IRIS #XML
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Question Colin Brough · Mar 25, 2025

Walking a virtual document's structure

Is there a generic process for "walking" the structure of a virtual document - eg an HL7 message (EnsLib.HL7.Message) or an XML document (EnsLib.EDI.XML.Document).

At least we'd want to be able to visit all "nodes" (HL7 fields or sub-fields, XML nodes) in the virtual document and be able to work out/generate the Property Path (so we could call "GetValueAt"). 

We can just about come up with something generic for HL7, since it only nests down to 4 levels within each segment, though we're using numeric Property Path's at that point rather than symbolic ones (MSH:1.3 etc).

#Ensemble #Caché #HL7 #ObjectScript #Tips & Tricks #XML
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Question Joe Fu · Feb 26, 2025

How to set XMLIGNORENULL for non %String property?

By extending %XML.Adaptor, we can use

Parameter XMLIGNORENULL

to handle empty tags in output xml file from %Persistent. But this parameter only applies to %String property. What if a class has other types of properties, like %Stream (for holding large chunk of data). What is the recommended handle if we cannot use XMLIGNORENULL here?

Context: In change control, exported .xml file is important to make diff between versions.

#HealthShare #InterSystems IRIS #Open Exchange #CCR #XML
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Question Ali Chaib · Feb 7, 2025

Transforming a FHIR Response to SDA – Handling Task Resource

I have a scenario where I send a GET request to a broker and receive a FHIR response. When I attempted to use the built-in InterSystems functions to convert this FHIR response into SDA, the transformation failed—likely because it is not a standard FHIR request.

How should I handle this situation? Is there a recommended approach to processing FHIR responses in this context?

Additionally, if I manage to convert the FHIR response into a request format, I noticed that the broker sends a Task resource.

#Caché #Ensemble #HealthShare #InterSystems IRIS for Health #API #FHIR #JSON #REST API #XML
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Question Ali Chaib · Feb 7, 2025

Handling FHIR Responses in InterSystems – Transforming to SDA

I understand that InterSystems provides functions to facilitate transactions between FHIR and HL7 via the SDA segment. My question is:

  • Does this transformation only work when InterSystems receives FHIR requests and converts them into HL7, or does it also support responses?

  • Specifically, if our operation sends a GET request to a broker and receives a FHIR response, does InterSystems support transforming this response into an SDA segment automatically?

  • Or should we manually parse and modify the response to handle it according to our needs?

What would be the best approach in this scenario?

#Caché #Ensemble #HealthShare #InterSystems IRIS for Health #API #Business Process (BPL) #FHIR #JSON #REST API #XML
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Question Colin Brough · Jan 10, 2025

DTL Transformation output: ordering of XML nodes

We are using a DTL transformation to take HL7 and transform into custom XML. But the nodes in the resulting XML are appearing out of sequence - and therefore failing validation against the schema.

The XSD schema for the XML looks fine when imported into Ensemble: root node in the XSD looks like this:

And shows in Ensemble like this:

The transformation looks like this, and we can see the text from the trace elements at lines 5, 12 and 19 appear in the correct order in the event log:

HOWEVER, the resulting XML has the <allergies> nodes before the <patientNotes> nodes.

#Ensemble #Debugging #DTL #HL7 #XML
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Question Colin Brough · Jan 13, 2025

DTL Transformation output: maxOccurs bug?

We are using a DTL transformation to take HL7 and transform into custom XML (XML is a virtual document, held in an EnsLib.EDI.XML.Document object). The schema specifying the format of the XML says one element should occur no more than 24 times (maxOccurs="24" in the XSD schema). However, the transformation to produce one such element always produces 24 elements, all but the last one blank, when tested stand-alone. And when the sub-transform producing one element is incorporated into the full transformation to produce the whole XML object, it produces the wrong output.

#Ensemble #Debugging #DTL #HL7 #XML
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