Hello community!
I found a bug or may be I missed something.
I want to get field name in "PID" segment by field number in HL7 Message using following object script expession:
InterSystems ObjectScript is a scripting language to operate with data using any data model of InterSystems Data Platform (Objects, Relational, Key-Value, Document, Globals) and to develop business logic for serverside applications on InterSystems Data Platform.