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

# diff • AI Agent SDK

> diff: Get file diffs from autonomous execution.

# diff

<div className="flex items-center gap-2">
  <Badge color="purple">Method</Badge>
</div>

> This is a method of the [**Agent**](../classes/Agent) class in the [**agent**](../modules/agent) module.

Get file diffs from autonomous execution.

Returns a list of :class:`FileDiff` objects showing what files
were modified, with additions/deletions counts.

## Signature

```python theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
def diff(from_hash: Optional[str]) -> Any
```

## Parameters

<ParamField query="from_hash" type="Optional[str]" required={false}>
  Base commit hash to diff from. If None, uses the first snapshot (pre-autonomous state).
</ParamField>

### Returns

<ResponseField name="Returns" type="Any">
  :

  agent = Agent(autonomy="full\_auto")
  result = agent.start("Refactor utils.py")
  for d in agent.diff():
  print(f"\{d.status}: \{d.path} (+\{d.additions}/-\{d.deletions})")
</ResponseField>

## Uses

* `diff`
* `logger.debug`

## Used By

* [`Agent.diff`](../functions/Agent-diff)

## Source

<Card title="View on GitHub" icon="github" href="https://github.com/MervinPraison/PraisonAI/blob/main/src/praisonai-agents/praisonaiagents/agent/agent.py#L3502">
  `praisonaiagents/agent/agent.py` at line 3502
</Card>