---
id: "P:cAlgo.API.BacktestingSettings.DataMode"
kind: "property"
type: "T:cAlgo.API.BacktestingSettings"
url: "https://help.ctrader.com/ctrader-algo/references/Plugin/Backtesting/BacktestingSettings/DataMode/"
---

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

# BacktestingSettings.DataMode

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

## DataMode

Gets or sets the data mode used for backtesting.

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
public BacktestingDataMode DataMode {get; set;}
```

Python:

```python
backtestingSettings.DataMode: BacktestingDataMode
```

### Returns

`BacktestingDataMode` — 

### Examples

C#:

```csharp
var settings = new BacktestingSettings { DataMode = BacktestingDataMode.Ticks };
Print("Backtesting data mode: {0}", settings.DataMode);
```

Python:

```python
settings = BacktestingSettings()
settings.DataMode = BacktestingDataMode.Ticks
api.Print(f"Backtesting data mode: {settings.DataMode}")
```