This function is part of the PlayerDataStorage Interface.
Get the file name of the file this request is for. OutStringLength will always be set to the string length of the file name if it is not NULL.
EOS_Success if the file name was successfully written to OutFilenameBuffer, a failure result otherwise
Parameter Type And Name
The maximum number of bytes that can be written to OutStringBuffer
The buffer to write the NULL-terminated utf8 file name into, if successful
How long the file name is (not including null terminator)