Class LLMObsSpanAttributes

Attributes of an LLM Observability span.

Hierarchy

  • LLMObsSpanAttributes

Constructors

constructor

Properties

additionalProperties? duration evaluation? input? intent? metadata? metrics? mlApp modelName? modelProvider? name output? parentId? spanId spanKind startNs status tags? toolDefinitions? traceId

Constructors

constructor

Properties

Optional additionalProperties

additionalProperties?: {
    [key: string]: any;
}

A container for additional, undeclared properties. This is a holder for any undeclared properties as specified with the 'additionalProperties' keyword in the OAS document.

Type declaration

  • [key: string]: any

duration

duration: number

Duration of the span in nanoseconds.

Optional evaluation

evaluation?: {
    [key: string]: LLMObsSpanEvaluationMetric;
}

Evaluation metrics keyed by evaluator name.

Type declaration

Optional input

input?: LLMObsSpanIO

Input or output content of an LLM Observability span.

Optional intent

intent?: string

Detected intent of the span.

Optional metadata

metadata?: {
    [key: string]: any;
}

Arbitrary metadata associated with the span.

Type declaration

  • [key: string]: any

Optional metrics

metrics?: {
    [key: string]: number;
}

Numeric metrics associated with the span (e.g., token counts).

Type declaration

  • [key: string]: number

mlApp

mlApp: string

Name of the ML application this span belongs to.

Optional modelName

modelName?: string

Name of the model used in this span.

Optional modelProvider

modelProvider?: string

Provider of the model used in this span.

name

name: string

Name of the span.

Optional output

output?: LLMObsSpanIO

Input or output content of an LLM Observability span.

Optional parentId

parentId?: string

Identifier of the parent span, if any.

spanId

spanId: string

Unique identifier of the span.

spanKind

spanKind: string

Kind of span (e.g., llm, agent, tool, task, workflow).

startNs

startNs: number

Start time of the span in nanoseconds since Unix epoch.

status

status: string

Status of the span (e.g., ok, error).

Optional tags

tags?: string[]

Tags associated with the span.

Optional toolDefinitions

toolDefinitions?: LLMObsSpanToolDefinition[]

Tool definitions available to the span.

traceId

traceId: string

Trace identifier this span belongs to.

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