---
id: "T:cAlgo.API.CustomTimeFrameNewChartEventArgs"
kind: "class"
namespace: "cAlgo.API"
url: "https://help.ctrader.com/ctrader-algo/references/EventArgs/CustomTimeFrameNewChartEventArgs/"
---

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

# CustomTimeFrameNewChartEventArgs (class)

Provides data for custom time frame NewChart event.

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

- CLI: Available to plugins only, and plugins cannot run in the CLI.
- Cloud: Available to plugins only, and plugins cannot run in the cloud.

## Definition

```csharp
public class CustomTimeFrameNewChartEventArgs
```

Available since cAlgo.API 5.3.

## Examples

C#:

```csharp
protected override void OnStart()
{
    var customTimeFrame = TimeFrameManager.Custom.Add("My Time Frame");
    customTimeFrame.NewChart += OnCustomTimeFrameNewChart;
}

private void OnCustomTimeFrameNewChart(CustomTimeFrameNewChartEventArgs args)
{
    Print("New {0} chart opened for {1}", args.CustomTimeFrame.Name, args.CustomBars.Symbol.Name);
}
```

Python:

```python
def on_start(self):
    customTimeFrame = api.TimeFrameManager.Custom.Add("My Time Frame")
    customTimeFrame.NewChart += self.on_custom_time_frame_new_chart

def on_custom_time_frame_new_chart(self, args):
    api.Print(f"New {args.CustomTimeFrame.Name} chart opened for {args.CustomBars.Symbol.Name}")
```

## Properties

- `public Chart Chart {get;}` — Chart that is newly opened or switched to custom time frame. [details](https://help.ctrader.com/ctrader-algo/references/EventArgs/CustomTimeFrameNewChartEventArgs/Chart/index.md)
- `public CustomBars CustomBars {get;}` — Gets custom bars for the newly opened custom time frame chart. [details](https://help.ctrader.com/ctrader-algo/references/EventArgs/CustomTimeFrameNewChartEventArgs/CustomBars/index.md)
- `public CustomTimeFrame CustomTimeFrame {get;}` — Gets custom time frame. [details](https://help.ctrader.com/ctrader-algo/references/EventArgs/CustomTimeFrameNewChartEventArgs/CustomTimeFrame/index.md)