function TraceContextPropagator::fields

Overrides TextMapPropagatorInterface::fields

File

vendor/open-telemetry/api/Trace/Propagation/TraceContextPropagator.php, line 56

Class

TraceContextPropagator

TraceContext is a propagator that supports the W3C Trace Context format (https://www.w3.org/TR/trace-context/)

Namespace

OpenTelemetry\API\Trace\Propagation

Code

public function fields() : array {
    return self::FIELDS;
}