<xs:complexTypename="PosInteracDeviceKeysRspType"xmlns:xs="http://www.w3.org/2001/XMLSchema"><xs:all><xs:elementname="FieldKey"type="xs:string"minOccurs="0"><xs:annotation><xs:documentation><pxmlns="http://Hps.Exchange.PosGateway">Key generated and provided to the PIN pad. This key is used to decrypt the balance information.</p></xs:documentation></xs:annotation></xs:element><xs:elementname="MacKey"type="xs:string"minOccurs="0"><xs:annotation><xs:documentation><pxmlns="http://Hps.Exchange.PosGateway">Key generated and provided to the PIN pad. Key is used to generate the MAC value.</p></xs:documentation></xs:annotation></xs:element><xs:elementname="MessageAuthenticationCode"type="xs:string"minOccurs="0"><xs:annotation><xs:documentation><pxmlns="http://Hps.Exchange.PosGateway">Used to transmit the Message Authentication Code for Canadian debit transactions.</p></xs:documentation></xs:annotation></xs:element><xs:elementname="PinKey"type="xs:string"minOccurs="0"><xs:annotation><xs:documentation><pxmlns="http://Hps.Exchange.PosGateway">Key used to encrypt PIN. Maintained in PIN Pad.</p></xs:documentation></xs:annotation></xs:element><xs:elementname="RspCode"type="xs:string"minOccurs="0"/><xs:elementname="RspText"type="xs:string"minOccurs="0"/></xs:all></xs:complexType>