---
id: "P:cAlgo.API.ChartZoomEventArgs.Chart"
kind: "property"
type: "T:cAlgo.API.ChartZoomEventArgs"
url: "https://help.ctrader.com/ctrader-algo/references/EventArgs/ChartZoomEventArgs/Chart/"
---

> Documentation index for agents: https://help.ctrader.com/ctrader-algo/llms.txt · machine index: https://help.ctrader.com/ctrader-algo/api.json

# ChartZoomEventArgs.Chart

Member of [ChartZoomEventArgs](https://help.ctrader.com/ctrader-algo/references/EventArgs/ChartZoomEventArgs/index.md).

## Chart

Gets the chart.

Environments: Desktop supported · CLI supported · Cloud not supported.

- Cloud: Never raised in the cloud: the events that pass it never fire there (Chart.ZoomChanged).

C#:

```csharp
public Chart Chart {get;}
```

Python:

```python
chartZoomEventArgs.Chart: Chart
```

### Returns

`Chart` — 

### Examples

C#:

```csharp
protected override void OnStart()
{
    Chart.ZoomChanged += OnChartZoomChanged;
}

private void OnChartZoomChanged(ChartZoomEventArgs args)
{
    Print("Chart {0} zoom level: {1}%", args.Chart.SymbolName, args.Chart.ZoomLevel);
}
```

Python:

```python
def on_start(self):
    api.Chart.ZoomChanged += self.on_chart_zoom_changed

def on_chart_zoom_changed(self, args):
    api.Print(f"Chart {args.Chart.SymbolName} zoom level: {args.Chart.ZoomLevel}%")
```