This tiny subroutine walks through all of the options available in the CreateGUID function

TestCreateGUID.vb

Option Explicit
Public Sub TestCreateGUID()

    'Dim t As Scriptlet.TypeLib <~ error, user type not defined
    'Dim t As Scriptlet.IGenScriptletTLib <~ at least compiles
    'Debug.Print t.Name <~ error, object or with block variable not set
    '                      i.e. doesn't understand t as a variable
    'Debug.Print t.GUID <~ same
    'Debug.Print t.AnyOtherListedMethodOnThisObject
    
    Dim GUID As String
    
    GUID = CreateGUID() '<~ default
    Debug.Print GUID
    
    '^^ the result of the above looks like this:
    '5DC4C0BD-2AD2-4F36-A37D-1851F5B09966
    
    GUID = CreateGUID(IncludeHyphens:=False) '<~ no hyphens here
    Debug.Print GUID
    
    '^^ the result of the above looks like this:
    '6A5A9CF9E76948859A0666BA1496D7F0
    '
    'i.e. hyphens removed
    
    GUID = CreateGUID(IncludeBraces:=True) '<~ curly braces on the ends
    Debug.Print GUID
    
    '^^ the result of the above looks like this:
    '{88B6591C-053D-414E-8447-224704047786}
    '
    'i.e. curly braces remain
    
    GUID = CreateGUID(IncludeHyphens:=False, IncludeBraces:=True)
    Debug.Print GUID
    
    '^^ the result of the above looks like this:
    '{88B6591C053D414E8447224704047786}
    '
    'i.e. curly braces remain but hyphens do not

End Sub