OptionalhandleCalled when an agent is about to execute an action, with the action and the run ID.
OptionalparentRunId: stringOptionaltags: string[]OptionalhandleCalled when an agent finishes execution, before it exits. with the final output and the run ID.
OptionalparentRunId: stringOptionaltags: string[]Called at the start of a Chain run, with the chain name and inputs and the run ID.
OptionalparentRunId: stringOptionaltags: string[]Optionalmetadata: KVMapCalled at the start of a Chat Model run, with the prompt(s) and the run ID.
OptionalparentRunId: stringOptionalextraParams: KVMapOptionaltags: string[]Optionalmetadata: KVMapOptionalhandleOptionalhandleLLMNewCalled 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)
OptionalparentRunId: stringOptionaltags: string[]Optionalfields: HandleLLMNewTokenCallbackFieldsCalled at the start of an LLM or Chat Model run, with the prompt(s) and the run ID.
OptionalparentRunId: stringOptionalextraParams: KVMapOptionaltags: string[]Optionalmetadata: KVMapOptionalhandleOptionalhandleOptionalhandleOptionalparentRunId: stringOptionaltags: string[]Optionalmetadata: Record<string, unknown>Optionalname: stringOptionalhandleCalled at the start of a Tool run, with the tool name and input and the run ID.
OptionalparentRunId: stringOptionaltags: string[]Optionalmetadata: KVMapStaticfromCalled when an agent is about to execute an action, with the action and the run ID.
OptionalparentRunId: stringOptionaltags: string[]Called when an agent finishes execution, before it exits. with the final output and the run ID.
OptionalparentRunId: stringOptionaltags: string[]Called at the end of a Chain run, with the outputs and the run ID.
OptionalparentRunId: stringOptionaltags: string[]Optionalkwargs: { Optionalinputs?: Record<string, unknown>Called at the start of a Chain run, with the chain name and inputs and the run ID.
OptionalparentRunId: stringOptionaltags: string[]Optionalmetadata: Record<string, unknown>OptionalrunType: stringOptionalrunName: stringCalled at the start of a Chat Model run, with the prompt(s) and the run ID.
OptionalparentRunId: stringOptionalextraParams: Record<string, unknown>Optionaltags: string[]Optionalmetadata: Record<string, unknown>OptionalrunName: stringCalled when an LLM/ChatModel in streaming mode produces a new token
OptionalparentRunId: stringOptionaltags: string[]Optionalfields: HandleLLMNewTokenCallbackFieldsCalled at the start of an LLM or Chat Model run, with the prompt(s) and the run ID.
OptionalparentRunId: stringOptionalextraParams: Record<string, unknown>Optionaltags: string[]Optionalmetadata: Record<string, unknown>OptionalrunName: stringOptionalparentRunId: stringOptionaltags: string[]Optionalmetadata: Record<string, unknown>Optionalname: stringCalled at the start of a Tool run, with the tool name and input and the run ID.
OptionalparentRunId: stringOptionaltags: string[]Optionalmetadata: Record<string, unknown>OptionalrunName: string
Deprecated
Please use LunaryHandler instead: