LangChain Reference home page
Search...
āK
Ask AI
GitHub
Main Docs
Deep Agents
LangChain
LangGraph
Integrations
LangSmith
āI
LangChain Assistant
New
History
Ask a question to get started
Enter
to send
ā¢
Shift+Enter
new line
Menu
Navigation
Projects
LangGraph
Web
Channels
Pregel
Prebuilt
Remote
Stream
React SDK
Vue SDK
Svelte SDK
Angular SDK
LangGraph SDK
Ui
Client
Auth
React
Logging
React Ui
Utils
Server
Stream
LangGraph Checkpoint
LangGraph Checkpoint MongoDB
LangGraph Checkpoint Postgres
Store
LangGraph Checkpoint Redis
Shallow
Store
LangGraph Checkpoint SQLite
LangGraph Checkpoint Validation
Cli
LangGraph API
LangGraph CLI
LangGraph CUA
Utils
LangGraph Supervisor
LangGraph Swarm
Language
Python
JavaScript
Theme
Light
Dark
JavaScript
@langchain/langgraph
web
NodeSpec
Type
v1.4.7 (latest)
ā
Since v0.3
NodeSpec
Copy
NodeSpec
Properties
View source on GitHub
Version History
property
defer
:
boolean
property
ends
:
string
[]
property
errorHandlerNode
:
string
property
isErrorHandler
:
boolean
property
metadata
:
Record
<
string
,
unknown
>
property
runnable
:
Runnable
<
RunInput
,
RunOutput
>
property
subgraphs
:
Pregel
<
any
,
any
>[]