public function toXMLString() { $str = ''; $str .= '<ns:SetAuthFlowParamReq>'; if ($this->SetAuthFlowParamRequest != null) { $str .= '<ns:SetAuthFlowParamRequest>'; $str .= $this->SetAuthFlowParamRequest->toXMLString(); $str .= '</ns:SetAuthFlowParamRequest>'; } $str .= '</ns:SetAuthFlowParamReq>'; return $str; }