SpanMetadata class

Backend-agnostic description of a span about to be created.

A SpanMetadata carries everything an Instrumentation provider needs to start a span. It intentionally uses plain Dart types (no OpenTelemetry dependency), leaving the encoding of values up to each provider.

Constructors

SpanMetadata({required String name, String? actionType, Object? input, Map<String, Object?> attributes = const {}})
const

Properties

actionType → String?
The Genkit action type, e.g. 'flow', 'model', 'tool'.
final
attributes → Map<String, Object?>
Additional static attributes supplied by the caller.
final
hashCode → int
The hash code for this object.
no setterinherited
input → Object?
The raw input passed to the wrapped operation.
final
name → String
The span name (typically the action or operation name).
final
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited