Class LangfuseObjectClientAbstract

constructor

• new LangfuseObjectClient(__namedParameters): LangfuseObjectClient

• Parameters

  • __namedParameters: {
        client: LangfuseCore;
        id: string;
        observationId: null | string;
        traceId: string;
    }

    • client: LangfuseCore

    • id: string

    • observationId: null | string

    • traceId: string

  Returns LangfuseObjectClient

Readonlyclient

Readonlyid

ReadonlyobservationId

ReadonlytraceId

event

• event(body): LangfuseEventClient

• Parameters

  • body: Omit<Omit<{
        id?: null | string;
        input?: any;
        level?:
            | "DEBUG"
            | "DEFAULT"
            | "WARNING"
            | "ERROR";
        metadata?: any;
        name?: null | string;
        output?: any;
        parentObservationId?: null | string;
        startTime?: null | Date;
        statusMessage?: null | string;
        traceId?: null | string;
        version?: null | string;
    }, "externalId" | "traceIdType">, "traceId" | "parentObservationId">

  Returns LangfuseEventClient

generation

• generation(body): LangfuseGenerationClient

• Parameters

  • body: Omit<Omit<{
        completionStartTime?: null | Date;
        costDetails?: null | {
            [key: string]: number;
        };
        endTime?: null | Date;
        id?: null | string;
        input?: any;
        level?:
            | "DEBUG"
            | "DEFAULT"
            | "WARNING"
            | "ERROR";
        metadata?: any;
        model?: null | string;
        modelParameters?: null | {
            [key: string]: components["schemas"]["MapValue"];
        };
        name?: null | string;
        output?: any;
        parentObservationId?: null | string;
        promptName?: null | string;
        promptVersion?: null | number;
        startTime?: null | Date;
        statusMessage?: null | string;
        traceId?: null | string;
        usage?: {
            input?: null | number;
            inputCost?: null | number;
            output?: null | number;
            outputCost?: null | number;
            total?: null | number;
            totalCost?: null | number;
            unit?:
                | "CHARACTERS"
                | "TOKENS"
                | "MILLISECONDS"
                | "SECONDS"
                | "IMAGES"
                | "REQUESTS";
        } | {
            completionTokens?: null | number;
            promptTokens?: null | number;
            totalTokens?: null | number;
        };
        usageDetails?: {
            [key: string]: number;
        } | {
            completion_tokens: number;
            completion_tokens_details?: null | {
                [key: string]: number;
            };
            prompt_tokens: number;
            prompt_tokens_details?: null | {
                [key: string]: number;
            };
            total_tokens: number;
        };
        version?: null | string;
    }, "externalId" | "traceIdType">,
        | "traceId"
        | "parentObservationId"
        | "promptName"
        | "promptVersion"> & PromptInput

  Returns LangfuseGenerationClient

getTraceUrl

• getTraceUrl(): string

• Returns string

score

• score(body): this

• Parameters

  • body: Omit<Omit<{
        comment?: null | string;
        configId?: null | string;
        dataType?: "NUMERIC" | "BOOLEAN" | "CATEGORICAL";
        id?: null | string;
        name: string;
        observationId?: null | string;
        traceId: string;
        value: string | number;
    }, "externalId" | "traceIdType">, "traceId" | "parentObservationId">

  Returns this

span

• span(body): LangfuseSpanClient

• Parameters

  • body: Omit<Omit<{
        endTime?: null | Date;
        id?: null | string;
        input?: any;
        level?:
            | "DEBUG"
            | "DEFAULT"
            | "WARNING"
            | "ERROR";
        metadata?: any;
        name?: null | string;
        output?: any;
        parentObservationId?: null | string;
        startTime?: null | Date;
        statusMessage?: null | string;
        traceId?: null | string;
        version?: null | string;
    }, "externalId" | "traceIdType">, "traceId" | "parentObservationId">

  Returns LangfuseSpanClient