let
    Source = Excel.Workbook(File.Contents("W:\Formation\Stages\PowerBI\support\codo.io\PowerQuery_ErreurFirewall.xlsx"), null, true),
    Tableau1_Table = Source{[Item="Tableau1",Kind="Table"]}[Data],
    #"Type modifié" = Table.TransformColumnTypes(Tableau1_Table,{{"Chemin", type text}}),
    Chemin = #"Type modifié"{0}[Chemin],
    MaFonction = () => Chemin 
in
    MaFonction