# {py:mod}`simvx.core.env_sync_spec`

```{py:module} simvx.core.env_sync_spec
```

```{autodoc2-docstring} simvx.core.env_sync_spec
:allowtitles:
```

## Module Contents

### Classes

````{list-table}
:class: autosummary longtable
:align: left

* - {py:obj}`EnvField <simvx.core.env_sync_spec.EnvField>`
  - ```{autodoc2-docstring} simvx.core.env_sync_spec.EnvField
    :summary:
    ```
````

### Functions

````{list-table}
:class: autosummary longtable
:align: left

* - {py:obj}`apply_spec <simvx.core.env_sync_spec.apply_spec>`
  - ```{autodoc2-docstring} simvx.core.env_sync_spec.apply_spec
    :summary:
    ```
````

### Data

````{list-table}
:class: autosummary longtable
:align: left

* - {py:obj}`__all__ <simvx.core.env_sync_spec.__all__>`
  - ```{autodoc2-docstring} simvx.core.env_sync_spec.__all__
    :summary:
    ```
* - {py:obj}`ENV_SYNC_SPEC <simvx.core.env_sync_spec.ENV_SYNC_SPEC>`
  - ```{autodoc2-docstring} simvx.core.env_sync_spec.ENV_SYNC_SPEC
    :summary:
    ```
* - {py:obj}`ENV_SYNC_COMPOSITES <simvx.core.env_sync_spec.ENV_SYNC_COMPOSITES>`
  - ```{autodoc2-docstring} simvx.core.env_sync_spec.ENV_SYNC_COMPOSITES
    :summary:
    ```
````

### API

````{py:data} __all__
:canonical: simvx.core.env_sync_spec.__all__
:value: >
   ['EnvField', 'ENV_SYNC_SPEC', 'ENV_SYNC_COMPOSITES', 'apply_spec']

```{autodoc2-docstring} simvx.core.env_sync_spec.__all__
```

````

`````{py:class} EnvField
:canonical: simvx.core.env_sync_spec.EnvField

```{autodoc2-docstring} simvx.core.env_sync_spec.EnvField
```

````{py:attribute} env_attr
:canonical: simvx.core.env_sync_spec.EnvField.env_attr
:type: str
:value: >
   None

```{autodoc2-docstring} simvx.core.env_sync_spec.EnvField.env_attr
```

````

````{py:attribute} target
:canonical: simvx.core.env_sync_spec.EnvField.target
:type: str
:value: >
   None

```{autodoc2-docstring} simvx.core.env_sync_spec.EnvField.target
```

````

````{py:attribute} transform
:canonical: simvx.core.env_sync_spec.EnvField.transform
:type: collections.abc.Callable[[typing.Any], typing.Any] | None
:value: >
   None

```{autodoc2-docstring} simvx.core.env_sync_spec.EnvField.transform
```

````

````{py:attribute} backends
:canonical: simvx.core.env_sync_spec.EnvField.backends
:type: tuple[str, ...]
:value: >
   ('vulkan', 'web')

```{autodoc2-docstring} simvx.core.env_sync_spec.EnvField.backends
```

````

`````

````{py:data} ENV_SYNC_SPEC
:canonical: simvx.core.env_sync_spec.ENV_SYNC_SPEC
:type: tuple[simvx.core.env_sync_spec.EnvField, ...]
:value: >
   ()

```{autodoc2-docstring} simvx.core.env_sync_spec.ENV_SYNC_SPEC
```

````

````{py:data} ENV_SYNC_COMPOSITES
:canonical: simvx.core.env_sync_spec.ENV_SYNC_COMPOSITES
:type: frozenset[str]
:value: >
   'frozenset(...)'

```{autodoc2-docstring} simvx.core.env_sync_spec.ENV_SYNC_COMPOSITES
```

````

````{py:function} apply_spec(env: typing.Any, *, backend: str, resolve: collections.abc.Callable[[str, str, typing.Any], None]) -> None
:canonical: simvx.core.env_sync_spec.apply_spec

```{autodoc2-docstring} simvx.core.env_sync_spec.apply_spec
```
````