attributes is a collection of attribute key/value pairs on the event.
Attribute keys MUST be unique (it is not allowed to have more than one
attribute with the same key).
Generated from protobuf field <code>repeated .opentelemetry.proto.common.v1.KeyValue attributes = 3;</code>
Type: attributes
File
vendor/open-telemetry/gen-otlp-protobuf/Opentelemetry/Proto/Trace/V1/Span/Event.php, line 39