spanId property
A unique identifier for a span within a trace, assigned when the span is created. The ID is an 8-byte array. An ID with all zeroes OR of length other than 8 bytes is considered invalid (empty string in OTLP/JSON is zero-length and thus is also invalid).
This field is required.
Implementation
@$pb.TagNumber(2)
$core.List<$core.int> get spanId => $_getN(1);