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GUIDs (Globally Unique Identifiers) (Tools/APIs)

Work with GUIDs (Globally Unique Identifiers).

Background Information

A GUID (globally unique identifier) is a unique reference number used as an identifier.

Available Tools

GUIDENABLED class parameter

Enables you to generate a GUID for each instance of the class. See Object Synchronization.

This class is a persistent class that gives you access to GUID,OID value pairs. This class can be queried using SQL. This class presents examples.

Availability: All namespaces.

Provides utility methods for GUIDs. These include:

  • %FindGUID()

  • AssignGUID()

  • And others

Availability: All namespaces.

Includes the following method:

  • CreateGUID()

Availability: All namespaces.

Note

The special variable $SYSTEM is bound to the %SYSTEM package. This means that instead of ##class(%SYSTEM.class).method(), you can use $SYSTEM.class.method().

Purpose of this instance: Draft documentation
DocReleaseID: IRIS2025.1
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Excluded items: EAST, EDICOM, EHL72, EHL7T, HXHCINST, HXHCRN, HXIHINST, HXIHRN, PAGE_healthcare
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