LangChain Reference home page

GitHub
Main Docs

LangGraph

Web
Channels
Pregel
Prebuilt
Remote
Stream

Overview
Getting started
injectStream
Selectors
Interrupts & headless tools
Subagents & subgraphs
Fork & edit from a checkpoint
Submission queue
Multimodal media
Transports
Dependency injection
Type safety
Migrating to v1

LangGraph SDK

Client
Auth
React
Logging
React Ui
Server

LangGraph Checkpoint

LangGraph Checkpoint MongoDB

LangGraph Checkpoint Postgres

LangGraph Checkpoint Redis

Shallow
Store

LangGraph Checkpoint SQLite

LangGraph Checkpoint Validation

Cli

LangGraph API

LangGraph CLI

LangGraph CUA

Utils

LangGraph Supervisor

LangGraph Swarm

⌘I

Chat LangChain

What can I help with?

Enter to send·Shift+Enter new line

Menu

Web Channels Pregel Prebuilt Remote Stream

Overview Getting started injectStream Selectors Interrupts & headless tools Subagents & subgraphs Fork & edit from a checkpoint Submission queue Multimodal media Transports Dependency injection Type safety Migrating to v1

Client Auth React Logging React Ui Server

LangGraph Checkpoint

LangGraph Checkpoint MongoDB

LangGraph Checkpoint Postgres

LangGraph Checkpoint Redis

LangGraph Checkpoint SQLite

LangGraph Checkpoint Validation

LangGraph Supervisor

LangGraph Swarm

Language

Theme

JavaScript@langchain/angularMediaBaseid

Property●Since v1.2

id

id from the originating content block, if the provider sent one.

Copy

id: string

View source on GitHub