# Cancellation Token

A value passed through operations to communicate a request for cancellation.

## What is **Cancellation Token** in C#?

**Cancellation Token** — A value passed through operations to communicate a request for cancellation.

```csharp
class OrderService
{
    Task LoadAsync(CancellationToken token)
    {
        return Task.Delay(100, token);
    }
}
```

Level: Master · [More C# terms at this level](https://www.ask-codey.com/glossary/subjects/c-sharp/master)

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/cancellation-token