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LangGraph · Class

Channel

Channel is a utility class for connecting Pregel nodes through channels. It provides helpers to subscribe to one channel and to write values to channels.

Last updated

Since
v1.5

Syntax

class Channel
Channel.subscribeTo(...)
Channel.writeTo(...)

In-depth API docs are only for subscribers: parameters, examples, common mistakes and interview practice.

Subscribe
  • PregelNode
  • ChannelWrite
  • ChannelWriteEntry
  • BaseChannel

Source: Channel | @langchain/langgraph | LangChain Reference. Checked 2026-11-03.