---
id: "M:cAlgo.API.BacktestingDataRequest.Complete(cAlgo.API.BacktestingData)"
kind: "method"
type: "T:cAlgo.API.BacktestingDataRequest"
url: "https://help.ctrader.com/ctrader-algo/references/Plugin/Backtesting/DataSource/BacktestingDataRequest/Complete/"
---

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

# BacktestingDataRequest.Complete

Member of [BacktestingDataRequest](https://help.ctrader.com/ctrader-algo/references/Plugin/Backtesting/DataSource/BacktestingDataRequest/index.md).

## Complete(BacktestingData data)

Completes current request.

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 Complete(BacktestingData data)
```

Python:

```python
backtestingDataRequest.Complete(data: BacktestingData) -> None
```

### Parameters

- `data` (`BacktestingData`, Python `BacktestingData`): Data.

Available since cAlgo.API 5.3.

### Examples

C#:

```csharp
private void OnDataRequested(BacktestingDataRequest request)
{
    var bars = MarketData.GetBars(request.PriceDataSourceId.TimeFrame, request.PriceDataSourceId.Symbol.Name);
    var data = bars.Where(bar => bar.OpenTime >= request.StartTime && bar.OpenTime <= request.EndTime)
        .Select(bar => new BacktestingBar(bar.OpenTime, bar.Open, bar.High, bar.Low, bar.Close, (long)bar.TickVolume));
    request.Complete(new BacktestingBarsData(data));
}
```

Python:

```python
from System import Array

def on_data_requested(self, request):
    bars = api.MarketData.GetBars(request.PriceDataSourceId.TimeFrame, request.PriceDataSourceId.Symbol.Name)
    data = [BacktestingBar(bar.OpenTime, bar.Open, bar.High, bar.Low, bar.Close, int(bar.TickVolume)) for bar in bars if bar.OpenTime >= request.StartTime and bar.OpenTime <= request.EndTime]
    request.Complete(BacktestingBarsData(Array[BacktestingBar](data)))
```