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

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

# OptimizationMultiEnumParameter (record)

An `Enum[]` (multi-enum) cBot parameter. Not optimizable; always held fixed. Members are supplied by their string names.

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 OptimizationMultiEnumParameter : OptimizationParameter`1
```

Available since cAlgo.API 5.9.

## Examples

C#:

```csharp
var parameter = new OptimizationMultiEnumParameter("TradingDays", new[] { "Monday", "Wednesday", "Friday" });
Print("{0} is fixed at {1}", parameter.Name, string.Join(", ", parameter.Value));
```

Python:

```python
from System import Array, String
parameter = OptimizationMultiEnumParameter("TradingDays", Array[String](["Monday", "Wednesday", "Friday"]))
api.Print(f"{parameter.Name} is fixed at {', '.join(parameter.Value)}")
```

## Constructors

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