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JavaScript@langchain/langgraphpregelPregelupdateState
Methodā—Since v0.3

updateState

Copy
updateState(
  inputConfig: LangGraphRunnableConfig,
  values: unknown,
  asNode: string | keyof Nodes
): Promise
View source on GitHub
<
RunnableConfig
<
Record
<
string
,
any
>
>
>

Parameters

NameTypeDescription
inputConfig*LangGraphRunnableConfig
values*unknown
asNodestring | keyof Nodes

Updates the state of the graph with new values. Requires a checkpointer to be configured.

This method can be used for:

  • Implementing human-in-the-loop workflows
  • Modifying graph state during breakpoints
  • Integrating external inputs into the graph

Configuration for the update

The values to update the state with

Optional node name to attribute the update to