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Title: CheckpointTask | langgraph | LangChain Reference

Open Graph Title: CheckpointTask | langgraph

X Title: CheckpointTask | langgraph

Description: Python API reference for types.CheckpointTask in langgraph. Part of the LangChain ecosystem.

Open Graph Description: Python API reference for types.CheckpointTask in langgraph. Part of the LangChain ecosystem.

X Description: Python API reference for types.CheckpointTask in langgraph. Part of the LangChain ecosystem.

Opengraph URL: https://reference.langchain.com/python/langgraph/types/CheckpointTask

direct link

Domain: reference.langchain.com

og:imagehttps://reference.langchain.com/og/python/langgraph/types/CheckpointTask
og:image:width1200
og:image:height630
og:image:altCheckpointTask | langgraph
og:typearticle
twitter:cardsummary_large_image
twitter:imagehttps://reference.langchain.com/og/python/langgraph/types/CheckpointTask

Links:

LangChain Reference home pagehttps://reference.langchain.com/
GitHubhttps://github.com/langchain-ai
Main Docshttps://docs.langchain.com/oss/python/langgraph
Deep Agentshttps://reference.langchain.com/python/deepagents
LangChainhttps://reference.langchain.com/python/langchain/overview
LangGraphhttps://reference.langchain.com/python/langgraph/overview
Integrationshttps://reference.langchain.com/python/integrations/overview
LangSmithhttps://reference.langchain.com/python/langsmith
Overviewhttps://reference.langchain.com/python/langgraph/overview
Overviewhttps://reference.langchain.com/python/langgraph
Graphshttps://reference.langchain.com/python/langgraph/graphs
Functional APIhttps://reference.langchain.com/python/langgraph/func
Pregelhttps://reference.langchain.com/python/langgraph/pregel
Checkpointinghttps://reference.langchain.com/python/langgraph/checkpoints
Storagehttps://reference.langchain.com/python/langgraph/store
Cachinghttps://reference.langchain.com/python/langgraph/cache
Typeshttps://reference.langchain.com/python/langgraph/types
Runtimehttps://reference.langchain.com/python/langgraph/runtime
Confighttps://reference.langchain.com/python/langgraph/config
Errorshttps://reference.langchain.com/python/langgraph/errors
Constantshttps://reference.langchain.com/python/langgraph/constants
Channelshttps://reference.langchain.com/python/langgraph/channels
Agentshttps://reference.langchain.com/python/langgraph/agents
LangGraph Checkpointhttps://reference.langchain.com/python/langgraph.checkpoint
LangGraph Storehttps://reference.langchain.com/python/langgraph.store
Checkpoint Postgreshttps://reference.langchain.com/python/langgraph.checkpoint.postgres
Store Postgreshttps://reference.langchain.com/python/langgraph.store.postgres
Checkpoint SQLitehttps://reference.langchain.com/python/langgraph.checkpoint.sqlite
LangGraph Prebuilthttps://reference.langchain.com/python/langgraph.prebuilt
LangGraph CLIhttps://reference.langchain.com/python/langgraph-cli
LangGraph SDKhttps://reference.langchain.com/python/langgraph-sdk
LangGraph Supervisorhttps://reference.langchain.com/python/langgraph-supervisor
LangGraph Swarmhttps://reference.langchain.com/python/langgraph-swarm
https://chat.langchain.com/
Overviewhttps://reference.langchain.com/python/langgraph
Graphshttps://reference.langchain.com/python/langgraph/graphs
Functional APIhttps://reference.langchain.com/python/langgraph/func
Pregelhttps://reference.langchain.com/python/langgraph/pregel
Checkpointinghttps://reference.langchain.com/python/langgraph/checkpoints
Storagehttps://reference.langchain.com/python/langgraph/store
Cachinghttps://reference.langchain.com/python/langgraph/cache
Typeshttps://reference.langchain.com/python/langgraph/types
Runtimehttps://reference.langchain.com/python/langgraph/runtime
Confighttps://reference.langchain.com/python/langgraph/config
Errorshttps://reference.langchain.com/python/langgraph/errors
Constantshttps://reference.langchain.com/python/langgraph/constants
Channelshttps://reference.langchain.com/python/langgraph/channels
Agentshttps://reference.langchain.com/python/langgraph/agents
LangGraph Checkpointhttps://reference.langchain.com/python/langgraph.checkpoint
LangGraph Storehttps://reference.langchain.com/python/langgraph.store
Checkpoint Postgreshttps://reference.langchain.com/python/langgraph.checkpoint.postgres
Store Postgreshttps://reference.langchain.com/python/langgraph.store.postgres
Checkpoint SQLitehttps://reference.langchain.com/python/langgraph.checkpoint.sqlite
LangGraph Prebuilthttps://reference.langchain.com/python/langgraph.prebuilt
LangGraph CLIhttps://reference.langchain.com/python/langgraph-cli
LangGraph SDKhttps://reference.langchain.com/python/langgraph-sdk
LangGraph Supervisorhttps://reference.langchain.com/python/langgraph-supervisor
LangGraph Swarmhttps://reference.langchain.com/python/langgraph-swarm
langgraphhttps://reference.langchain.com/python/langgraph
typeshttps://reference.langchain.com/python/langgraph/types
TypedDicthttps://docs.python.org/3/library/typing.html#typing.TypedDict
View source on GitHubhttps://github.com/langchain-ai/langgraph/blob/5bd231cbfd913e05ebc662f519eb9a655bc766df/libs/langgraph/langgraph/types.py#L191
strhttps://docs.python.org/3/library/stdtypes.html#str
strhttps://docs.python.org/3/library/stdtypes.html#str
strhttps://docs.python.org/3/library/stdtypes.html#str
Anyhttps://docs.python.org/3/library/typing.html#typing.Any
listhttps://docs.python.org/3/library/stdtypes.html#list
dicthttps://docs.python.org/3/library/stdtypes.html#dict
StateSnapshothttps://reference.langchain.com/python/langgraph/types/StateSnapshot
RunnableConfighttps://reference.langchain.com/python/langchain-core/runnables/config/RunnableConfig
attributeid: strUnique identifier for this task.https://reference.langchain.com/python/langgraph/types/CheckpointTask/id
attributename: strName of the node being executed.https://reference.langchain.com/python/langgraph/types/CheckpointTask/name
attributeerror: NotRequired[str]Error message, present only if the task failed.https://reference.langchain.com/python/langgraph/types/CheckpointTask/error
attributeresult: NotRequired[Any]Result of the task, present only if the task completed successfully.https://reference.langchain.com/python/langgraph/types/CheckpointTask/result
attributeinterrupts: NotRequired[list[dict]]List of interrupts, present when the task has been interrupted or completed.https://reference.langchain.com/python/langgraph/types/CheckpointTask/interrupts
attributestate: StateSnapshot | RunnableConfig | NoneSnapshot of the subgraph state, or a RunnableConfig pointing to it. None if not a subgraph.https://reference.langchain.com/python/langgraph/types/CheckpointTask/state

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