During its operation, the SDK can record debug data that contains details on the performance of the SDK. By default, outputting debug data is disabled, but it can be enabled with BoxedAppSDK_EnableDebugLog. Plus, you can add some custom data to the log; that is what this function is meant for.
void __stdcall BoxedAppSDK_WriteLog(LPCTSTR szMessage);
procedure BoxedAppSDK_WriteLog(szLogFilePath: PAnsiChar); stdcall;
A text to write to the log.