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# SerializeAllVariablesToJSON(bool)

Method in [InMemoryVariableStorage](/2.0/api/csharp/yarn.unity/yarn.unity.inmemoryvariablestorage.md)

## Summary

Export variable storage to a JSON string, like when writing save game data.

```csharp
public string SerializeAllVariablesToJSON(bool prettyPrint = false)
```

## Parameters

| Name               | Description |
| ------------------ | ----------- |
| `bool` prettyPrint |             |