The service description can be found in the OICP 2.1.

Section:
3.2.2 eRoamingAuthorizeRemoteReservationStop

To download the latest OICP Version, please visit our website:
https://www.hubject.com/downloads/

<soapenv:Envelope xmlns:soapenv       = "http://schemas.xmlsoap.org/soap/envelope/"
                  xmlns:Authorization = "http://www.hubject.com/b2b/services/reservation/v1.0">

   <soapenv:Header/>

   <soapenv:Body>
      <Authorization:eRoamingAuthorizeRemoteReservationStop>

         <Authorization:SessionID>de164e08-1c88-1293-537b-be355041070e</Authorization:SessionID>

         <!--Optional:-->
         <Authorization:PartnerSessionID>0815</Authorization:PartnerSessionID>

         <Authorization:ProviderID>DE*GEF</Authorization:ProviderID>

         <Authorization:EVSEID>DE*GEF*E123456789*1</Authorization:EVSEID>

      </Authorization:eRoamingAuthorizeRemoteReservationStop>
   </soapenv:Body>

</soapenv:Envelope>

<soapenv:Envelope xmlns:soapenv     = "http://schemas.xmlsoap.org/soap/envelope/"
                  xmlns:CommonTypes = "http://www.hubject.com/b2b/services/commontypes/v2.0">

   <soapenv:Header/>

   <soapenv:Body>
      <CommonTypes:eRoamingAcknowledgement>

         <CommonTypes:Result>true|false</CommonTypes:Result>

         <CommonTypes:StatusCode>

            <CommonTypes:Code>000</CommonTypes:Code>

            <!--Optional:-->
            <CommonTypes:Description>Success</CommonTypes:Description>

            <!--Optional:-->
            <CommonTypes:AdditionalInfo>?</CommonTypes:AdditionalInfo>

         </CommonTypes:StatusCode>

         <!--Optional:-->
         <CommonTypes:SessionID>de164e08-1c88-1293-537b-be355041070e</CommonTypes:SessionID>

         <!--Optional:-->
         <CommonTypes:PartnerSessionID>0815</CommonTypes:PartnerSessionID>

      </CommonTypes:eRoamingAcknowledgement>
   </soapenv:Body>

</soapenv:Envelope>