I have seen that it is possible, with Visual Basic, to conditionally follow a hyperlink.

How should the code be if, f.e. at A5=100 (sum of other cells), automatically a hyperlink is followed? In my case a music fragment should be played.

Private Sub Worksheet_FollowHyperlink(ByVal Target As Hyperlink)
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End Sub

What comes in the place of the questionmarks to get this function active?

Thanks.
Regards, Pieter-Jan