> ## Documentation Index
> Fetch the complete documentation index at: https://docs.devin.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# CognitionAcp.WorkflowAgentUpdateMeta

> Metadata for a tool call — one agent (child session) of a workflow run.

Metadata for a `workflow_agent_update` tool call — one agent (child
session) of a workflow run. Null snapshot fields clear previous values.

```typescript
type WorkflowAgentUpdateMeta = void
```


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