Hierarchy

  • BaseTracer
    • SingleRunExtractor

Constructors

Properties

awaitHandlers: boolean
ignoreAgent: boolean
ignoreChain: boolean
ignoreCustomEvent: boolean
ignoreLLM: boolean
ignoreRetriever: boolean
name: string

The name of the callback handler.

raiseError: boolean
runMap: Map<string, Run>
runPromise: Promise<Run>
runPromiseResolver: ((run: Run) => void)

Methods

  • Returns this

  • Returns Promise<Run>

  • Called when an agent is about to execute an action, with the action and the run ID.

    Parameters

    Returns Promise<void>

  • Called when an agent finishes execution, before it exits. with the final output and the run ID.

    Parameters

    Returns Promise<void>

  • Called at the end of a Chain run, with the outputs and the run ID.

    Parameters

    • outputs: ChainValues
    • runId: string
    • Optional_parentRunId: string
    • Optional_tags: string[]
    • Optionalkwargs: {
          inputs?: Record<string, unknown>;
      }
      • Optionalinputs?: Record<string, unknown>

    Returns Promise<Run>

  • Called if a Chain run encounters an error

    Parameters

    • error: unknown
    • runId: string
    • Optional_parentRunId: string
    • Optional_tags: string[]
    • Optionalkwargs: {
          inputs?: Record<string, unknown>;
      }
      • Optionalinputs?: Record<string, unknown>

    Returns Promise<Run>

  • Called at the start of a Chain run, with the chain name and inputs and the run ID.

    Parameters

    • chain: Serialized
    • inputs: ChainValues
    • runId: string
    • OptionalparentRunId: string
    • Optionaltags: string[]
    • Optionalmetadata: KVMap
    • OptionalrunType: string
    • Optionalname: string

    Returns Promise<Run>

  • Called at the start of a Chat Model run, with the prompt(s) and the run ID.

    Parameters

    • llm: Serialized
    • messages: BaseMessage[][]
    • runId: string
    • OptionalparentRunId: string
    • OptionalextraParams: KVMap
    • Optionaltags: string[]
    • Optionalmetadata: KVMap
    • Optionalname: string

    Returns Promise<Run>

  • Parameters

    • eventName: string
    • data: any
    • runId: string
    • Optionaltags: string[]
    • Optionalmetadata: Record<string, any>

    Returns any

  • Called at the end of an LLM/ChatModel run, with the output and the run ID.

    Parameters

    • output: LLMResult
    • runId: string

    Returns Promise<Run>

  • Called if an LLM/ChatModel run encounters an error

    Parameters

    • error: unknown
    • runId: string

    Returns Promise<Run>

  • Called when an LLM/ChatModel in streaming mode produces a new token

    Parameters

    • token: string
    • idx: NewTokenIndices
    • runId: string
    • Optional_parentRunId: string
    • Optional_tags: string[]
    • Optionalfields: HandleLLMNewTokenCallbackFields

    Returns Promise<Run>

  • Called at the start of an LLM or Chat Model run, with the prompt(s) and the run ID.

    Parameters

    • llm: Serialized
    • prompts: string[]
    • runId: string
    • OptionalparentRunId: string
    • OptionalextraParams: KVMap
    • Optionaltags: string[]
    • Optionalmetadata: KVMap
    • Optionalname: string

    Returns Promise<Run>

  • Parameters

    • documents: Document<Record<string, unknown>>[]
    • runId: string

    Returns Promise<Run>

  • Parameters

    • error: unknown
    • runId: string

    Returns Promise<Run>

  • Parameters

    • retriever: Serialized
    • query: string
    • runId: string
    • OptionalparentRunId: string
    • Optionaltags: string[]
    • Optionalmetadata: KVMap
    • Optionalname: string

    Returns Promise<Run>

  • Parameters

    • text: string
    • runId: string

    Returns Promise<void>

  • Called at the end of a Tool run, with the tool output and the run ID.

    Parameters

    • output: any
    • runId: string

    Returns Promise<Run>

  • Called if a Tool run encounters an error

    Parameters

    • error: unknown
    • runId: string

    Returns Promise<Run>

  • Called at the start of a Tool run, with the tool name and input and the run ID.

    Parameters

    • tool: Serialized
    • input: string
    • runId: string
    • OptionalparentRunId: string
    • Optionaltags: string[]
    • Optionalmetadata: KVMap
    • Optionalname: string

    Returns Promise<Run>

  • Parameters

    • run: Run

    Returns void | Promise<void>

  • Parameters

    • run: Run

    Returns void | Promise<void>

  • Parameters

    • run: Run

    Returns void | Promise<void>

  • Parameters

    • run: Run

    Returns void | Promise<void>

  • Parameters

    • run: Run

    Returns void | Promise<void>

  • Parameters

    • run: Run

    Returns void | Promise<void>

  • Parameters

    • run: Run

    Returns void | Promise<void>

  • Parameters

    • run: Run
    • token: string
    • Optionalkwargs: {
          chunk: any;
      }
      • chunk: any

    Returns void | Promise<void>

  • Parameters

    • run: Run

    Returns void | Promise<void>

  • Parameters

    • run: Run

    Returns void | Promise<void>

  • Parameters

    • run: Run

    Returns void | Promise<void>

  • Parameters

    • run: Run

    Returns void | Promise<void>

  • Parameters

    • run: Run

    Returns void | Promise<void>

  • Parameters

    • run: Run

    Returns void | Promise<void>

  • Parameters

    • run: Run

    Returns void | Promise<void>

  • Parameters

    • run: Run

    Returns void | Promise<void>

  • Parameters

    • run: Run

    Returns void | Promise<void>

  • Parameters

    • run: Run

    Returns void | Promise<void>

  • Parameters

    • run: Run

    Returns Promise<void>

  • Parameters

    • error: unknown

    Returns string

  • Returns Serialized

  • Parameters

    • methods: BaseCallbackHandlerMethodsClass

    Returns {
        awaitHandlers: boolean;
        ignoreAgent: boolean;
        ignoreChain: boolean;
        ignoreCustomEvent: boolean;
        ignoreLLM: boolean;
        ignoreRetriever: boolean;
        name: string;
        raiseError: boolean;
        copy(): BaseCallbackHandler;
        handleAgentAction?(action: AgentAction, runId: string, parentRunId?: string, tags?: string[]): void | Promise<void>;
        handleAgentEnd?(action: AgentFinish, runId: string, parentRunId?: string, tags?: string[]): void | Promise<void>;
        handleChainEnd?(outputs: ChainValues, runId: string, parentRunId?: string, tags?: string[], kwargs?: {
            inputs?: Record<string, unknown>;
        }): any;
        handleChainError?(err: any, runId: string, parentRunId?: string, tags?: string[], kwargs?: {
            inputs?: Record<string, unknown>;
        }): any;
        handleChainStart?(chain: Serialized, inputs: ChainValues, runId: string, parentRunId?: string, tags?: string[], metadata?: Record<string, unknown>, runType?: string, runName?: string): any;
        handleChatModelStart?(llm: Serialized, messages: BaseMessage[][], runId: string, parentRunId?: string, extraParams?: Record<string, unknown>, tags?: string[], metadata?: Record<string, unknown>, runName?: string): any;
        handleCustomEvent?(eventName: string, data: any, runId: string, tags?: string[], metadata?: Record<string, any>): any;
        handleLLMEnd?(output: LLMResult, runId: string, parentRunId?: string, tags?: string[]): any;
        handleLLMError?(err: any, runId: string, parentRunId?: string, tags?: string[]): any;
        handleLLMNewToken?(token: string, idx: NewTokenIndices, runId: string, parentRunId?: string, tags?: string[], fields?: HandleLLMNewTokenCallbackFields): any;
        handleLLMStart?(llm: Serialized, prompts: string[], runId: string, parentRunId?: string, extraParams?: Record<string, unknown>, tags?: string[], metadata?: Record<string, unknown>, runName?: string): any;
        handleRetrieverEnd?(documents: DocumentInterface<Record<string, any>>[], runId: string, parentRunId?: string, tags?: string[]): any;
        handleRetrieverError?(err: any, runId: string, parentRunId?: string, tags?: string[]): any;
        handleRetrieverStart?(retriever: Serialized, query: string, runId: string, parentRunId?: string, tags?: string[], metadata?: Record<string, unknown>, name?: string): any;
        handleText?(text: string, runId: string, parentRunId?: string, tags?: string[]): void | Promise<void>;
        handleToolEnd?(output: any, runId: string, parentRunId?: string, tags?: string[]): any;
        handleToolError?(err: any, runId: string, parentRunId?: string, tags?: string[]): any;
        handleToolStart?(tool: Serialized, input: string, runId: string, parentRunId?: string, tags?: string[], metadata?: Record<string, unknown>, runName?: string): any;
        toJSON(): Serialized;
        toJSONNotImplemented(): SerializedNotImplemented;
    }

    • awaitHandlers: boolean
    • ignoreAgent: boolean
    • ignoreChain: boolean
    • ignoreCustomEvent: boolean
    • ignoreLLM: boolean
    • ignoreRetriever: boolean
    • name: string
    • raiseError: boolean
    • copy:function
      • Returns BaseCallbackHandler

    • handleAgentAction?:function
      • Called when an agent is about to execute an action, with the action and the run ID.

        Parameters

        • action: AgentAction
        • runId: string
        • OptionalparentRunId: string
        • Optionaltags: string[]

        Returns void | Promise<void>

    • handleAgentEnd?:function
      • Called when an agent finishes execution, before it exits. with the final output and the run ID.

        Parameters

        • action: AgentFinish
        • runId: string
        • OptionalparentRunId: string
        • Optionaltags: string[]

        Returns void | Promise<void>

    • handleChainEnd?:function
      • Called at the end of a Chain run, with the outputs and the run ID.

        Parameters

        • outputs: ChainValues
        • runId: string
        • OptionalparentRunId: string
        • Optionaltags: string[]
        • Optionalkwargs: {
              inputs?: Record<string, unknown>;
          }
          • Optionalinputs?: Record<string, unknown>

        Returns any

    • handleChainError?:function
      • Called if a Chain run encounters an error

        Parameters

        • err: any
        • runId: string
        • OptionalparentRunId: string
        • Optionaltags: string[]
        • Optionalkwargs: {
              inputs?: Record<string, unknown>;
          }
          • Optionalinputs?: Record<string, unknown>

        Returns any

    • handleChainStart?:function
      • Called at the start of a Chain run, with the chain name and inputs and the run ID.

        Parameters

        • chain: Serialized
        • inputs: ChainValues
        • runId: string
        • OptionalparentRunId: string
        • Optionaltags: string[]
        • Optionalmetadata: Record<string, unknown>
        • OptionalrunType: string
        • OptionalrunName: string

        Returns any

    • handleChatModelStart?:function
      • Called at the start of a Chat Model run, with the prompt(s) and the run ID.

        Parameters

        • llm: Serialized
        • messages: BaseMessage[][]
        • runId: string
        • OptionalparentRunId: string
        • OptionalextraParams: Record<string, unknown>
        • Optionaltags: string[]
        • Optionalmetadata: Record<string, unknown>
        • OptionalrunName: string

        Returns any

    • handleCustomEvent?:function
      • Parameters

        • eventName: string
        • data: any
        • runId: string
        • Optionaltags: string[]
        • Optionalmetadata: Record<string, any>

        Returns any

    • handleLLMEnd?:function
      • Called at the end of an LLM/ChatModel run, with the output and the run ID.

        Parameters

        • output: LLMResult
        • runId: string
        • OptionalparentRunId: string
        • Optionaltags: string[]

        Returns any

    • handleLLMError?:function
      • Called if an LLM/ChatModel run encounters an error

        Parameters

        • err: any
        • runId: string
        • OptionalparentRunId: string
        • Optionaltags: string[]

        Returns any

    • handleLLMNewToken?:function
      • Called when an LLM/ChatModel in streaming mode produces a new token

        Parameters

        • token: string
        • idx: NewTokenIndices
        • runId: string
        • OptionalparentRunId: string
        • Optionaltags: string[]
        • Optionalfields: HandleLLMNewTokenCallbackFields

        Returns any

    • handleLLMStart?:function
      • Called at the start of an LLM or Chat Model run, with the prompt(s) and the run ID.

        Parameters

        • llm: Serialized
        • prompts: string[]
        • runId: string
        • OptionalparentRunId: string
        • OptionalextraParams: Record<string, unknown>
        • Optionaltags: string[]
        • Optionalmetadata: Record<string, unknown>
        • OptionalrunName: string

        Returns any

    • handleRetrieverEnd?:function
      • Parameters

        • documents: DocumentInterface<Record<string, any>>[]
        • runId: string
        • OptionalparentRunId: string
        • Optionaltags: string[]

        Returns any

    • handleRetrieverError?:function
      • Parameters

        • err: any
        • runId: string
        • OptionalparentRunId: string
        • Optionaltags: string[]

        Returns any

    • handleRetrieverStart?:function
      • Parameters

        • retriever: Serialized
        • query: string
        • runId: string
        • OptionalparentRunId: string
        • Optionaltags: string[]
        • Optionalmetadata: Record<string, unknown>
        • Optionalname: string

        Returns any

    • handleText?:function
      • Parameters

        • text: string
        • runId: string
        • OptionalparentRunId: string
        • Optionaltags: string[]

        Returns void | Promise<void>

    • handleToolEnd?:function
      • Called at the end of a Tool run, with the tool output and the run ID.

        Parameters

        • output: any
        • runId: string
        • OptionalparentRunId: string
        • Optionaltags: string[]

        Returns any

    • handleToolError?:function
      • Called if a Tool run encounters an error

        Parameters

        • err: any
        • runId: string
        • OptionalparentRunId: string
        • Optionaltags: string[]

        Returns any

    • handleToolStart?:function
      • Called at the start of a Tool run, with the tool name and input and the run ID.

        Parameters

        • tool: Serialized
        • input: string
        • runId: string
        • OptionalparentRunId: string
        • Optionaltags: string[]
        • Optionalmetadata: Record<string, unknown>
        • OptionalrunName: string

        Returns any

    • toJSON:function
    • toJSONNotImplemented:function