Class: BaseCallbackManager

callbacks.internal.BaseCallbackManager

Hierarchy

• BaseCallbackHandler

  ↳ BaseCallbackManager

  ↳↳ CallbackManager

Constructors

constructor

• new BaseCallbackManager(input?)

Parameters

Name	Type
input?	BaseCallbackHandlerInput

Inherited from

BaseCallbackHandler.constructor

Defined in

langchain/src/callbacks/base.ts:70

Properties

alwaysVerbose

• alwaysVerbose: boolean = false

Inherited from

BaseCallbackHandler.alwaysVerbose

Defined in

langchain/src/callbacks/base.ts:62

---

ignoreAgent

• ignoreAgent: boolean = false

Inherited from

BaseCallbackHandler.ignoreAgent

Defined in

langchain/src/callbacks/base.ts:68

---

ignoreChain

• ignoreChain: boolean = false

Inherited from

BaseCallbackHandler.ignoreChain

Defined in

langchain/src/callbacks/base.ts:66

---

ignoreLLM

• ignoreLLM: boolean = false

Inherited from

BaseCallbackHandler.ignoreLLM

Defined in

langchain/src/callbacks/base.ts:64

Methods

addHandler

▸ Abstract addHandler(handler): void

Parameters

Name	Type
handler	BaseCallbackHandler

Returns

void

Defined in

langchain/src/callbacks/base.ts:82

---

handleAgentAction

▸ Optional handleAgentAction(action, verbose?): Promise<void>

Parameters

Name	Type
action	AgentAction
verbose?	boolean

Returns

Promise<void>

Inherited from

BaseCallbackHandler.handleAgentAction

Defined in

langchain/src/callbacks/base.ts:53

---

handleAgentEnd

▸ Optional handleAgentEnd(action, verbose?): Promise<void>

Parameters

Name	Type
action	AgentFinish
verbose?	boolean

Returns

Promise<void>

Inherited from

BaseCallbackHandler.handleAgentEnd

Defined in

langchain/src/callbacks/base.ts:55

---

handleChainEnd

▸ Optional handleChainEnd(outputs, verbose?): Promise<void>

Parameters

Name	Type
outputs	ChainValues
verbose?	boolean

Returns

Promise<void>

Inherited from

BaseCallbackHandler.handleChainEnd

Defined in

langchain/src/callbacks/base.ts:39

---

handleChainError

▸ Optional handleChainError(err, verbose?): Promise<void>

Parameters

Name	Type
err	any
verbose?	boolean

Returns

Promise<void>

Inherited from

BaseCallbackHandler.handleChainError

Defined in

langchain/src/callbacks/base.ts:37

---

handleChainStart

▸ Optional handleChainStart(chain, inputs, verbose?): Promise<void>

Parameters

Name	Type
chain	Object
chain.name	string
inputs	ChainValues
verbose?	boolean

Returns

Promise<void>

Inherited from

BaseCallbackHandler.handleChainStart

Defined in

langchain/src/callbacks/base.ts:31

---

handleLLMEnd

▸ Optional handleLLMEnd(output, verbose?): Promise<void>

Parameters

Name	Type
output	LLMResult
verbose?	boolean

Returns

Promise<void>

Inherited from

BaseCallbackHandler.handleLLMEnd

Defined in

langchain/src/callbacks/base.ts:29

---

handleLLMError

▸ Optional handleLLMError(err, verbose?): Promise<void>

Parameters

Name	Type
err	any
verbose?	boolean

Returns

Promise<void>

Inherited from

BaseCallbackHandler.handleLLMError

Defined in

langchain/src/callbacks/base.ts:27

---

handleLLMNewToken

▸ Optional handleLLMNewToken(token, verbose?): Promise<void>

Parameters

Name	Type
token	string
verbose?	boolean

Returns

Promise<void>

Inherited from

BaseCallbackHandler.handleLLMNewToken

Defined in

langchain/src/callbacks/base.ts:25

---

handleLLMStart

▸ Optional handleLLMStart(llm, prompts, verbose?): Promise<void>

Parameters

Name	Type
llm	Object
llm.name	string
prompts	string[]
verbose?	boolean

Returns

Promise<void>

Inherited from

BaseCallbackHandler.handleLLMStart

Defined in

langchain/src/callbacks/base.ts:19

---

handleText

▸ Optional handleText(text, verbose?): Promise<void>

Parameters

Name	Type
text	string
verbose?	boolean

Returns

Promise<void>

Inherited from

BaseCallbackHandler.handleText

Defined in

langchain/src/callbacks/base.ts:51

---

handleToolEnd

▸ Optional handleToolEnd(output, verbose?): Promise<void>

Parameters

Name	Type
output	string
verbose?	boolean

Returns

Promise<void>

Inherited from

BaseCallbackHandler.handleToolEnd

Defined in

langchain/src/callbacks/base.ts:49

---

handleToolError

▸ Optional handleToolError(err, verbose?): Promise<void>

Parameters

Name	Type
err	any
verbose?	boolean

Returns

Promise<void>

Inherited from

BaseCallbackHandler.handleToolError

Defined in

langchain/src/callbacks/base.ts:47

---

handleToolStart

▸ Optional handleToolStart(tool, input, verbose?): Promise<void>

Parameters

Name	Type
tool	Object
tool.name	string
input	string
verbose?	boolean

Returns

Promise<void>

Inherited from

BaseCallbackHandler.handleToolStart

Defined in

langchain/src/callbacks/base.ts:41

---

removeHandler

▸ Abstract removeHandler(handler): void

Parameters

Name	Type
handler	BaseCallbackHandler

Returns

void

Defined in

langchain/src/callbacks/base.ts:84

---

setHandler

▸ setHandler(handler): void

Parameters

Name	Type
handler	BaseCallbackHandler

Returns

void

Defined in

langchain/src/callbacks/base.ts:88

---

setHandlers

▸ Abstract setHandlers(handlers): void

Parameters

Name	Type
handlers	BaseCallbackHandler[]

Returns

void

Defined in

langchain/src/callbacks/base.ts:86