Michaels Answer should help you:
https://community.intersystems.com/post/create-enslibhl7message-string-o...
Hello Jude
- What is the error?
- Do you have change control enabled?
if your environment has CCR enabled you may need to create a change session before running an update query.
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output :
or the easier approach is using the arrow syntax
https://docs.intersystems.com/irislatest/csp/docbook/DocBook.UI.Page.cls?KEY=GSQL_implicitjoins
Hope this helps