The device the user will be impersonated on (must belong to this merchant)
Source
<xs:elementname="Impersonate"type="PosImpersonateReqType"xmlns:xs="http://www.w3.org/2001/XMLSchema"><xs:annotation><xs:documentation><pxmlns="http://Hps.Exchange.PosGateway"><strong>Note:</strong> This is for internal use only.
</p></xs:documentation></xs:annotation></xs:element>