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LangGraph · Function

add_edge

StateGraph.add_edge creates a directed connection between graph nodes. The destination runs after one source finishes, or after all sources finish when you provide several start nodes.

Last updated

Since
v1.2

Syntax

add_edge(self, start_key: str | list[str], end_key: str) -> Self

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  • StateGraph
  • START
  • END
  • compile
  • add_node

Source: add_edge | langgraph | LangChain Reference. Checked 2026-11-03.