System.CreateGuid() Method
Version: Available or changed with runtime version 1.0.
Creates a new unique GUID. The value can then be assigned to a GUID data type or a text data type. Use the text data type if you want to compare the GUID to another text string.
Syntax
Guid := System.CreateGuid()
Note
This method can be invoked without specifying the data type name.
Return Value
Guid
Type: Guid