Called at the end of a Chain run, with the outputs and the run ID.
Called at the start of a Chain run, with the chain name and inputs and the run ID.
Optional
parentRunId: stringOptional
tags: string[]Optional
metadata: KVMapCalled at the start of a Chat Model run, with the prompt(s) and the run ID.
Optional
parentRunId: stringOptional
extraParams: KVMapOptional
tags: string[]Optional
metadata: KVMapCalled at the end of an LLM/ChatModel run, with the output and the run ID.
Called at the start of an LLM or Chat Model run, with the prompt(s) and the run ID.
Optional
parentRunId: stringOptional
extraParams: KVMapOptional
tags: string[]Optional
metadata: KVMapCalled at the start of a Tool run, with the tool name and input and the run ID.
Optional
parentRunId: stringOptional
tags: string[]Optional
metadata: KVMapOptional
handleCalled when an agent is about to execute an action, with the action and the run ID.
Optional
parentRunId: stringOptional
tags: string[]Optional
handleCalled when an agent finishes execution, before it exits. with the final output and the run ID.
Optional
parentRunId: stringOptional
tags: string[]Optional
handleLLMNewCalled when an LLM/ChatModel in streaming
mode produces a new token
idx.prompt is the index of the prompt that produced the token (if there are multiple prompts) idx.completion is the index of the completion that produced the token (if multiple completions per prompt are requested)
Optional
parentRunId: stringOptional
tags: string[]Optional
fields: HandleLLMNewTokenCallbackFieldsOptional
handleOptional
parentRunId: stringOptional
tags: string[]Optional
handleOptional
handleOptional
parentRunId: stringOptional
tags: string[]Optional
metadata: Record<string, unknown>Optional
name: stringOptional
handleStatic
fromGenerated using TypeDoc
Interface for the input parameters of the BaseCallbackHandler class. It allows to specify which types of events should be ignored by the callback handler.