Method PostFinanceARCRDetails

using System.Net;

string uri = "https://fusion.superion.com/FusionOSServices/v1/ONESolution/AccountsReceivable/FinanceARCRDetails";
string xmlText =
 @"<GetFinanceARCRDetails>
       <AccountID>PMI01</AccountID>
       <InvoiceID>OptionalInvoiceFilter</InvoiceID>
   </GetFinanceARCRDetails>";

using (WebClient req = new WebClient())
{
    string stringResult = wc.UploadString(new Uri(uri), "POST", xmlText);
    XmlDocument response = xmlDoc.LoadXml(stringResult);
    // TODO
}