GUIDs (Globally Unique Identifiers)

InterSystems Programming Tools Index

Work with GUIDs (Globally Unique Identifiers).

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

GUIDENABLED class parameter

Enables you to generate a GUID for each instance of the class. See “Object Synchronization” in Defining and Using Classes.

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.

%GUID class

Provides utility methods for GUIDs. These include:

Availability: All namespaces.

Includes the following method:

Availability: All namespaces.

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().