<?xml version="1.0"?><methodCall><methodName>InvoiceService.addManualPayment</methodName><params><param><value><string>key</string></value></param><param><value><int>5</int></value></param><param><value><double>120</double></value></param><param><value><dateTime.iso8601>20150224T14:08:55</dateTime.iso8601></value></param><param><value><string>Cash</string></value></param><param><value><string>TestPayment</string></value></param><param><value><boolean>1</boolean></value></param></params></methodCall>