expression.Index
expression Required. An expression that returns one of the objects in the Applies To list.
Example
The following example displays the name and index number for all effects in the main animation sequence of the first slide.
Sub EffectInfo()
Dim effIndex As Effect
Dim seqMain As Sequence
Set seqMain = ActivePresentation.Slides(1).TimeLine.MainSequence
For Each effIndex In seqMain
With effIndex
MsgBox "Effect Name: " & .DisplayName & vbLf & _
"Effect Index: " & .Index
End With
Next
End Sub