=with(
    'type!{urn:appian:plugin:datasubsetdownload:types}ExportableDataSubset'(
      filename: "Exported Data",
      fieldNames: {
        "Group",
        "FirstName",
        "LastName"
      },
      fieldLabels: {
        "Group",        
        "FirstName",
        "LastName"
      },
      datasubset: local!linkdata
	)
 )