Skip to main content Module tracing Copy item path Source Event An event describing a specific moment in time on a span and associated attributes. Link Describes a relationship to another span. SpanContext Identifying trace information about a span that can be serialized and propagated. SpanData The data associated with a span. TraceFlags SpanKind Describes the relationship between the Span, its parents, and its children in a trace. Status The status of a span. Host HostWithStore add_to_linker Datetime InstrumentationScope KeyValue SpanId The id of this span-context. TraceId The trace that this span-context belongs to. TraceState Carries system-specific configuration data, represented as a list of key-value pairs. trace-state allows multiple tracing systems to participate in the same trace.