Scrubbing data

Scrubbing data with beforeSendSpans

This callback MUST NOT allow the removal of any spans from the span tree. It receives a deep copy of all spans in the span tree and their attributes.

[
  {
    'name': 'GET /',
    'attributes': [
      'http.request.method': 'GET',
      'http.response.status_code': 200,
    ]
  },
]

Users MAY mutate any exposed properties to perform sanitation on sensitive data or PII. The return value of beforeSendSpans MUST be merged with the original span tree prior to emission.