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#### add_subparser [#](https://legacy-docs-oss.rasa.com/docs/rasa/reference/rasa/cli/evaluate/#add_subparser "Direct link to heading")

```python
def add_subparser(subparsers: SubParsersAction,
                  parents: List[argparse.ArgumentParser])->None:
    """Add all evaluate parsers."""
```

**Arguments**:

- `subparsers` - subparser we are going to attach to
- `parents` - Parent parsers, needed to ensure tree structure in argparse

[Learn more...](https://legacy-docs-oss.rasa.com/docs/rasa/reference/rasa/cli/evaluate/#)