''

@classmethod
def create(cls, request_id, text, **metadata):

    header = cls.create_header(request_id=request_id)
    content = {'text': text}
    (ex_type, ex, tb) = sys.exc_info()
    if ex_type:
        content['traceback'] = format_exception(ex_type, ex, tb)
    return cls(header, metadata, content)
