Exemplar::$span_id
(Optional) Span ID of the exemplar trace. span_id may be missing if the measurement is not recorded inside a trace or if the trace is not sampled.
Generated from protobuf field <code>bytes span_id = 4;</code>
Type: span_id
File
-
vendor/
open-telemetry/ gen-otlp-protobuf/ Opentelemetry/ Proto/ Metrics/ V1/ Exemplar.php, line 44
Class
- Exemplar
- A representation of an exemplar, which is a sample input measurement. Exemplars also hold information about the environment when the measurement was recorded, for example the span and trace ID of the active span when the exemplar was recorded.
Namespace
Opentelemetry\Proto\Metrics\V1Code
protected $span_id = '';