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JavaScript@langchain/langgraphstreamisSupportedChannel
Function●Since v0.3

isSupportedChannel

Whether value names a protocol subscription channel — either a base channel ("messages", "values", …) or a named custom channel ("custom:<name>"). Unknown/future method names return false, mirroring inferChannel.

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isSupportedChannel(value: string): value is Channel

Parameters

NameTypeDescription
value*string

Candidate channel name.

View source on GitHub