Create Background Run
Create a run in existing thread, return the run ID immediately. Don’t wait for the final run output.
Body
Payload for creating a run.
The stream mode(s) to use. lifecycle sends lifecycle|<namespace> events when a subagent (a subgraph) starts and ends: {"event": "started" | "completed" | "failed" | "interrupted", "namespace", "tool_call_id"?, "error"?}, with the id of the tool call that started it, with or without stream_subgraphs. tools sends on_tool_start, on_tool_event, on_tool_end and on_tool_error events with toolCallId and name (from langgraph 1.2.19 and @langchain/langgraph 1.6.0; a tool error's text is never sent).
values, messages, messages-tuple, tasks, checkpoints, updates, events, debug, custom, tools, lifecycle Generate pre-signed URLs for assigning feedback keys to the run.
For each key specified, a unique URL will be generated that can be called to assign the feedback key to the run. See LangSmith Feedback for more details.
Durability level for the run. Must be one of sync, async, or exit. See durability modes for more details.
sync, async, exit Response
Success

