---
id: "M:cAlgo.API.OptimizationMultiFileParameter.#ctor(System.String,System.Collections.Generic.IReadOnlyList{System.String})"
kind: "constructor"
type: "T:cAlgo.API.OptimizationMultiFileParameter"
url: "https://help.ctrader.com/ctrader-algo/references/Plugin/Optimization/OptimizationMultiFileParameter/Constructor/"
---

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

# OptimizationMultiFileParameter constructor

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

## OptimizationMultiFileParameter(string name, IReadOnlyList<string> value)

Holds the parameter fixed at the given value.

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 OptimizationMultiFileParameter(string name, IReadOnlyList<string> value)
```

Python:

```python
OptimizationMultiFileParameter(name: str, value: Sequence[str])
```

### Parameters

- `name` (`string`, Python `str`): The cBot parameter name.
- `value` (`IReadOnlyList<string>`, Python `Sequence[str]`): The fixed set of file paths.

Available since cAlgo.API 5.9.

### Examples

C#:

```csharp
var parameter = new OptimizationMultiFileParameter("DataFiles", new[] { @"C:\Data\signals.csv" });
Print("{0} optimized: {1}", parameter.Name, parameter.IsOptimized);
```

Python:

```python
from System import Array, String
parameter = OptimizationMultiFileParameter("DataFiles", Array[String]([r"C:\Data\signals.csv"]))
api.Print(f"{parameter.Name} optimized: {parameter.IsOptimized}")
```

## OptimizationMultiFileParameter(OptimizationMultiFileParameter original)



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 OptimizationMultiFileParameter(OptimizationMultiFileParameter original)
```

Python:

```python
OptimizationMultiFileParameter(original: OptimizationMultiFileParameter)
```

### Parameters

- `original` (`OptimizationMultiFileParameter`, Python `OptimizationMultiFileParameter`):

Available since cAlgo.API 5.9.