# restoreChartModels

Restores a saved chart envelope against the current Grid data contract and returns results.

Canonical: https://grid.syidax.com/docs/methods/restoreChartModels/

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## What does this API do?

Restores a saved chart envelope against the current Grid data contract and returns results.

API for Pro features: Integrated range charts and pivot chart tools

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## Exact input and result types

```typescript
restoreChartModels(envelope: unknown): Promise<SyGridChartRestoreResult>
```

| Arguments | Required | Type |
| --- | --- | --- |
| envelope | Required | unknown |

The return type is `Promise<SyGridChartRestoreResult>`.

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## Usage flow

After registering and initializing the Grid element, call grid.restoreChartModels(…). Read the return value with await. For methods returning a boolean or report, inspect the result before continuing.

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## Read related types

- [SyGridChartRestoreResult](https://grid.syidax.com/docs/types/SyGridChartRestoreResult.md)

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## Feature explanations and examples

- [Chart selected data](https://grid.syidax.com/docs/features/integrated-charts.md) — Connect a Grid range to a chart to view the same data as both a table and a graph. Select category and value columns appropriate to the chart type, rather than simply selecting numeric values.