[Power Query] return the table at the end of the path eg. xmlPath(XML,{"auditfile","customersSuppliers","customerSupplier"})

xmlPath.pq

(xml as table, path as list)=>
let
    isEmptyTable = each Type.Is(Value.Type(_), Table.Type) and List.Count(Table.ToRows(_))=0,
    xmlRow2record = (rec, row) => Record.AddField(rec,row{0},if isEmptyTable(row{2}) then null else row{2}),
    xmlTableExpandNode = (xmlTable, node) => List.Accumulate(Table.SelectRows(xmlTable, each [Name] = node)[Value],#table(1,{}),(s,c)=>s&c),
    head = List.RemoveLastN(path,1),
    tail = List.Last(path),
    exceptTail = List.Accumulate(head,xml,xmlTableExpandNode),
    tailRecords= List.Transform(Table.SelectRows(exceptTail, each [Name]=tail)[Value],each List.Accumulate(Table.ToRows(_),[],xmlRow2record)),
    out = Table.FromRecords(tailRecords)
in
    out