# BaseHelperV1
`toloka.client.project.template_builder.helpers.BaseHelperV1` | [Source code](https://github.com/Toloka/toloka-kit/blob/v0.1.26/src/client/project/template_builder/helpers.py#L23)

```python
BaseHelperV1(self, *, version: Optional[str] = '1.0.0')
```

Perform various operations, such as if-then-else or switch-case.

