# DiscriminatorDetails

> **Class** in `langsmith`

📖 [View in docs](https://reference.langchain.com/python/langsmith/_openapi_client/_models/DiscriminatorDetails)

## Signature

```python
DiscriminatorDetails(
    self,
    *,
    mapping: dict[str, type],
    discriminator_field: str,
    discriminator_alias: str | None,
)
```

## Constructors

```python
__init__(
    self,
    *,
    mapping: dict[str, type],
    discriminator_field: str,
    discriminator_alias: str | None,
) -> None
```

| Name | Type |
|------|------|
| `mapping` | `dict[str, type]` |
| `discriminator_field` | `str` |
| `discriminator_alias` | `str \| None` |


## Properties

- `field_name`
- `field_alias_from`
- `mapping`

---

[View source on GitHub](https://github.com/langchain-ai/langsmith-sdk/blob/19d52419f47c93ca2c57a0d51c58d255f5949092/python/langsmith/_openapi_client/_models.py#L690)