---
id: "M:cAlgo.API.CustomBars.AppendBar(cAlgo.API.CustomBar)"
kind: "method"
type: "T:cAlgo.API.CustomBars"
url: "https://help.ctrader.com/ctrader-algo/references/Plugin/TimeFrame/Custom/CustomBars/AppendBar/"
---

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

# CustomBars.AppendBar

Member of [CustomBars](https://help.ctrader.com/ctrader-algo/references/Plugin/TimeFrame/Custom/CustomBars/index.md).

## AppendBar(CustomBar bar)

Appends a new bar to the end of bars collection.

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.

C#:

```csharp
void AppendBar(CustomBar bar)
```

Python:

```python
customBars.AppendBar(bar: CustomBar) -> None
```

### Parameters

- `bar` (`CustomBar`, Python `CustomBar`): New bar

Available since cAlgo.API 5.3.

### Examples

C#:

```csharp
var customBars = TimeFrameManager.Custom.Add("My Custom TF").AddBars(Symbols.GetSymbol("EURUSD"));
var openTime = customBars.Bars.Count > 0 ? customBars.Bars.LastBar.OpenTime.AddHours(1) : Server.Time.Date;
customBars.AppendBar(new CustomBar(openTime, 1.0850, 1.0870, 1.0840, 1.0865, 1200));
```

Python:

```python
customBars = api.TimeFrameManager.Custom.Add("My Custom TF").AddBars(api.Symbols.GetSymbol("EURUSD"))
openTime = customBars.Bars.LastBar.OpenTime.AddHours(1) if customBars.Bars.Count > 0 else api.Server.Time.Date
customBars.AppendBar(CustomBar(openTime, 1.0850, 1.0870, 1.0840, 1.0865, 1200))
```