---
id: "T:cAlgo.API.CustomSymbolTradingSession"
kind: "class"
namespace: "cAlgo.API"
url: "https://help.ctrader.com/ctrader-algo/references/Plugin/Symbol/Custom/CustomSymbolTradingSession/"
---

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

# CustomSymbolTradingSession (class)

Custom symbol trading session schedule.

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 CustomSymbolTradingSession
```

Available since cAlgo.API 5.3.

## Examples

C#:

```csharp
var customSymbol = CustomSymbols.Add("MYEURUSD", Symbols.GetSymbol("EURUSD"));
var session = new CustomSymbolTradingSession(DayOfWeek.Monday, DayOfWeek.Friday, TimeSpan.FromHours(8), TimeSpan.FromHours(17));
customSymbol.MarketHours.Sessions.Clear();
customSymbol.MarketHours.Sessions.Add(session);
```

Python:

```python
from System import DayOfWeek, TimeSpan
customSymbol = api.CustomSymbols.Add("MYEURUSD", api.Symbols.GetSymbol("EURUSD"))
session = CustomSymbolTradingSession(DayOfWeek.Monday, DayOfWeek.Friday, TimeSpan.FromHours(8), TimeSpan.FromHours(17))
customSymbol.MarketHours.Sessions.Clear()
customSymbol.MarketHours.Sessions.Add(session)
```

## Constructors

- `public CustomSymbolTradingSession(DayOfWeek startDay, DayOfWeek endDay, TimeSpan startTime, TimeSpan endTime)` — Creates a new custom symbol trading session. [details](https://help.ctrader.com/ctrader-algo/references/Plugin/Symbol/Custom/CustomSymbolTradingSession/Constructor/index.md)

## Properties

- `public DayOfWeek EndDay {get;}` — Day of week when trading session ends [details](https://help.ctrader.com/ctrader-algo/references/Plugin/Symbol/Custom/CustomSymbolTradingSession/EndDay/index.md)
- `public TimeSpan EndTime {get;}` — Time when trading session ends [details](https://help.ctrader.com/ctrader-algo/references/Plugin/Symbol/Custom/CustomSymbolTradingSession/EndTime/index.md)
- `public DayOfWeek StartDay {get;}` — Day of week when trading session starts [details](https://help.ctrader.com/ctrader-algo/references/Plugin/Symbol/Custom/CustomSymbolTradingSession/StartDay/index.md)
- `public TimeSpan StartTime {get;}` — Time when trading session starts [details](https://help.ctrader.com/ctrader-algo/references/Plugin/Symbol/Custom/CustomSymbolTradingSession/StartTime/index.md)