Exemplar::$trace_id
(Optional) Trace ID of the exemplar trace. trace_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 trace_id = 5;</code>
Type: trace_id
File
-
vendor/
open-telemetry/ gen-otlp-protobuf/ Opentelemetry/ Proto/ Metrics/ V1/ Exemplar.php, line 52
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 $trace_id = '';