---
id: "T:cAlgo.API.OptimizationFileParameter"
kind: "record"
namespace: "cAlgo.API"
url: "https://help.ctrader.com/ctrader-algo/references/Plugin/Optimization/OptimizationFileParameter/"
---

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

# OptimizationFileParameter (record)

A `File` cBot parameter (a file path). Not optimizable; always held fixed.

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 OptimizationFileParameter : OptimizationParameter`1
```

Available since cAlgo.API 5.9.

## Examples

C#:

```csharp
var parameter = new OptimizationFileParameter("SignalsFile", @"C:\Data\signals.csv");
Print("{0} is fixed at {1}", parameter.Name, parameter.Value);
```

Python:

```python
parameter = OptimizationFileParameter("SignalsFile", r"C:\Data\signals.csv")
api.Print(f"{parameter.Name} is fixed at {parameter.Value}")
```

## Constructors

- `public OptimizationFileParameter(string name, string value)` — Holds the parameter fixed at the given value. [details](https://help.ctrader.com/ctrader-algo/references/Plugin/Optimization/OptimizationFileParameter/Constructor/index.md)
- `public OptimizationFileParameter(OptimizationFileParameter original)` —  [details](https://help.ctrader.com/ctrader-algo/references/Plugin/Optimization/OptimizationFileParameter/Constructor/index.md)

## Inherited members

- `public string Name {get;}` (from OptimizationParameter) [details](https://help.ctrader.com/ctrader-algo/references/Plugin/Optimization/OptimizationParameter/Name/index.md)
- `public bool IsOptimized {get;}` (from OptimizationParameter) [details](https://help.ctrader.com/ctrader-algo/references/Plugin/Optimization/OptimizationParameter/IsOptimized/index.md)