<se:xmldatatable save="mytable" resulttype="datatable">
    <se:row>
        <se:col name="Nr">2</se:col>
        <se:col name="Title">Welcome</se:col>
    </se:row>
</se:xmldatatable>

{datatable.columns.getname($mytable, 1)} => Nr
{datatable.columns.getnames($mytable)} => Datatable
{datatable.columns.exists($mytable, Title)} => true
{datatable.columns.getordinal($mytable, Title)} => 2

Nr => Nr
SXMLDataTable (Name=Dictionary`2; Rows=2; Columns=Key,Value) => Datatable
true => true
2 => 2