If File.Exists(MyLibrary.Permissions.GetSafeDirDefaultExternal("share"),"notification.mp3") Then
nb.CustomSound(MyLibrary.CreateFileProviderUri(MyLibrary.Permissions.GetSafeDirDefaultExternal("share"),"notification.mp3"))
Else
File.Copy(File.DirAssets,"notification.mp3",MyLibrary.Permissions.GetSafeDirDefaultExternal("share"),"notification.mp3")
nb.CustomSound(MyLibrary.CreateFileProviderUri(MyLibrary.Permissions.GetSafeDirDefaultExternal("share"),"notification.mp3"))
End If