<xs:element name="EUSingleTap" type="booleanType" minOccurs="0" xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:annotation>
    <xs:documentation>
      <p xmlns="http://Hps.Exchange.PosGateway">This field provides a way for a European merchant to indicate whether a transaction is a Single Tap contactless transaction, 
              or whether the request contains an intentionally duplicated (replayed) ATC value. Applies to MC transactions only.
              Valid values:
                Y - SingleTap 
                N - ReplayedATC
            </p>
    </xs:documentation>
  </xs:annotation>
</xs:element>