Class: ReActAgent

Runner will manage the task execution and provide a high-level API for the user

Extends

• AgentRunner <LLM, ReACTAgentStore>

Constructors

new ReActAgent()

new ReActAgent(params): ReActAgent

Parameters

• params: ReACTAgentParamsWithTools | ReACTAgentParamsWithToolRetriever

Returns

ReActAgent

Overrides

AgentRunner . constructor

Source

packages/llamaindex/src/agent/react.ts:345

Properties

#chatHistory

private #chatHistory: ChatMessage<object>[]

Inherited from

AgentRunner . #chatHistory

Source

packages/llamaindex/src/agent/base.ts:207

---

#llm

private readonly #llm: LLM<object, object>

Inherited from

AgentRunner . #llm

Source

packages/llamaindex/src/agent/base.ts:202

---

#runner

private readonly #runner: AgentWorker <LLM<object, object>, ReACTAgentStore, object>

Inherited from

AgentRunner . #runner

Source

packages/llamaindex/src/agent/base.ts:208

---

#systemPrompt

private readonly #systemPrompt: null | MessageContent = null

Inherited from

AgentRunner . #systemPrompt

Source

packages/llamaindex/src/agent/base.ts:206

---

#tools

private readonly #tools: BaseToolWithCall[] | (query) => Promise <BaseToolWithCall[]>

Inherited from

AgentRunner . #tools

Source

packages/llamaindex/src/agent/base.ts:203

---

#verbose

private readonly #verbose: boolean

Inherited from

AgentRunner . #verbose

Source

packages/llamaindex/src/agent/base.ts:209

---

defaultTaskHandler

static defaultTaskHandler: TaskHandler <LLM<object, object>>

Inherited from

AgentRunner . defaultTaskHandler

Source

packages/llamaindex/src/agent/base.ts:218

---

taskHandler

static taskHandler: TaskHandler <LLM<object, object>, ReACTAgentStore>

Source

packages/llamaindex/src/agent/react.ts:367

Accessors

chatHistory

get chatHistory(): ChatMessage<AdditionalMessageOptions>[]

Returns

ChatMessage<AdditionalMessageOptions>[]

Source

packages/llamaindex/src/agent/base.ts:263

---

llm

get llm(): AI

Returns

AI

Source

packages/llamaindex/src/agent/base.ts:259

---

verbose

get verbose(): boolean

Returns

boolean

Source

packages/llamaindex/src/agent/base.ts:267

Methods

chat()

chat(params)

chat(params): Promise <EngineResponse>

Send message along with the class's current chat history to the LLM.

Parameters

• params: ChatEngineParamsNonStreaming

Returns

Promise <EngineResponse>

Inherited from

AgentRunner . chat

Source

packages/llamaindex/src/agent/base.ts:334

chat(params)

chat(params): Promise<ReadableStream <EngineResponse>>

Parameters

• params: ChatEngineParamsStreaming

Returns

Promise<ReadableStream <EngineResponse>>

Inherited from

AgentRunner . chat

Source

packages/llamaindex/src/agent/base.ts:335

---

createStore()

createStore(): object

Returns

object

reasons

reasons: never[] = []

Overrides

AgentRunner . createStore

Source

packages/llamaindex/src/agent/react.ts:361

---

createTask()

createTask(message, stream, verbose, chatHistory?): ReadableStream<TaskStepOutput <LLM<object, object>, ReACTAgentStore, object>>

Parameters

• message: MessageContent

• stream: boolean= false

• verbose: undefined | boolean= undefined

• chatHistory?: ChatMessage<object>[]

Returns

ReadableStream<TaskStepOutput <LLM<object, object>, ReACTAgentStore, object>>

Inherited from

AgentRunner . createTask

Source

packages/llamaindex/src/agent/base.ts:294

---

getTools()

getTools(query): BaseToolWithCall[] | Promise <BaseToolWithCall[]>

Parameters

• query: MessageContent

Returns

BaseToolWithCall[] | Promise <BaseToolWithCall[]>

Inherited from

AgentRunner . getTools

Source

packages/llamaindex/src/agent/base.ts:275

---

reset()

reset(): void

Resets the chat history so that it's empty.

Returns

void

Inherited from

AgentRunner . reset

Source

packages/llamaindex/src/agent/base.ts:271

---

defaultCreateStore()

static defaultCreateStore(): object

Returns

object

Inherited from

AgentRunner . defaultCreateStore

Source

packages/llamaindex/src/agent/base.ts:214

---

shouldContinue()

static shouldContinue<AI, Store, AdditionalMessageOptions>(task): boolean

Type parameters

• AI extends LLM<object, object>

• Store extends object = object

• AdditionalMessageOptions extends object = AI extends LLM<object, AdditionalMessageOptions> ? AdditionalMessageOptions : never

Parameters

• task: Readonly<TaskStep<AI, Store, AdditionalMessageOptions>>

Returns

boolean

Inherited from

AgentRunner . shouldContinue

Source

packages/llamaindex/src/agent/base.ts:281