| Overview |  |
| pre_span/1 | Invoke the span pre filter. |
| span/1 | Invoke the span filter on active span. |
Invoke the span pre filter. If the filter result is to discard the span in this phase (when the start_with_tags/1 API function is called), then the timestamp or the span is set to 0, indicating that the span is not active.
Invoke the span filter on active span
Generated by EDoc, May 26 2017, 15:36:09.