# import_graph_json

## API Definition

```python
def import_graph_json(json_str: str) -> OperationGraph
```

*Source: serializer.py*

## Import Surface

- top-level: `from simplecadapi import import_graph_json`

## Description

Import an OperationGraph from a JSON string.

## Parameters

### json_str

- **Description**: JSON string to parse.

## Returns

Reconstructed OperationGraph.