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

# version Mixin

[<img src="https://img.shields.io/badge/-source-cccccc?style=flat-square" />](https://github.com/open-metadata/OpenMetadata/tree/main/ingestion/src/metadata/ingestion/ometa/mixins/version_mixin.py#L0")

# module `version_mixin`

Mixin class containing entity versioning specific methods

To be used by OpenMetadata

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[<img src="https://img.shields.io/badge/-source-cccccc?style=flat-square" />](https://github.com/open-metadata/OpenMetadata/tree/main/ingestion/src/metadata/ingestion/ometa/mixins/version_mixin.py#L32")

## class `OMetaVersionMixin`

OpenMetadata API methods related to entity versioning.

To be inherited by OpenMetadata

***

[<img src="https://img.shields.io/badge/-source-cccccc?style=flat-square" />](https://github.com/open-metadata/OpenMetadata/tree/main/ingestion/src/metadata/ingestion/ometa/mixins/version_mixin.py#L60")

### method `get_entity_version`

```python theme={null}
get_entity_version(
    entity: Type[~T],
    entity_id: Union[str, Uuid],
    version: Union[str, float],
    fields: Optional[List[str]] = None
) → Optional[~T]
```

Get an entity at a specific version

Parameters
\---------- entity: T  the entity type entity\_id: Union\[str, basic.Uuid]  the ID for a specific entity version: Union\[str, float]  the specific version of the entity fields: List  List of fields to return

***

[<img src="https://img.shields.io/badge/-source-cccccc?style=flat-square" />](https://github.com/open-metadata/OpenMetadata/tree/main/ingestion/src/metadata/ingestion/ometa/mixins/version_mixin.py#L88")

### method `get_list_entity_versions`

```python theme={null}
get_list_entity_versions(
    entity_id: Union[str, Uuid],
    entity: Type[~T]
) → Union[Response, EntityVersionHistory]
```

Retrieve the list of versions for a specific entity

Parameters
\---------- entity: T  the entity type entity\_id: Union\[str, basic.Uuid]  the ID for a specific entity

Returns
\------- List  lists of available versions for a specific entity

***

[<img src="https://img.shields.io/badge/-source-cccccc?style=flat-square" />](https://github.com/open-metadata/OpenMetadata/tree/main/ingestion/src/metadata/ingestion/ometa/mixins/version_mixin.py#L41")

### method `version_to_str`

```python theme={null}
version_to_str(version: Union[str, float])
```

convert float version to str

Parameters
\---------- version : Union\[str, float]  the version number of the entity

Returns
\------- str  the string representation of the version

***