How to use the opentelemetry-sdk.src.opentelemetry.sdk.trace.__init__.Span function in opentelemetry-sdk

def add_event(
        self,
        name: str,
        attributes: types.Attributes = None,
        timestamp: Optional[int] = None,
    ) -> None:
        self.add_lazy_event(
            trace_api.Event(
                name,
                Span.empty_attributes if attributes is None else attributes,
                time_ns() if timestamp is None else timestamp,
            )

parent_context,
            context.trace_id,
            context.span_id,
            name,
            attributes,
            links,
        )

        if sampling_decision.sampled:
            if attributes is None:
                span_attributes = sampling_decision.attributes
            else:
                # apply sampling decision attributes after initial attributes
                span_attributes = attributes.copy()
                span_attributes.update(sampling_decision.attributes)
            span = Span(
                name=name,
                context=context,
                parent=parent,
                sampler=self.source.sampler,
                attributes=span_attributes,
                span_processor=self.source._active_span_processor,  # pylint:disable=protected-access
                kind=kind,
                links=links,
                instrumentation_info=self.instrumentation_info,
                set_status_on_exception=set_status_on_exception,
            )
            span.start(start_time=start_time)
        else:
            span = trace_api.DefaultSpan(context=context)
        return span