handleChainStart(
chain: Serialized,
inputs: ChainValues,
runId: string,
runType: string,
tags:| Name | Type | Description |
|---|---|---|
chain* | Serialized | |
inputs* | ChainValues | |
runId* | string | |
runType | string | |
tags | string[] | |
metadata | Record<string, unknown> | |
runName | string | |
parentRunId | string | |
extra | Record<string, unknown> |
Called at the start of a Chain run, with the chain name and inputs and the run ID.