---
id: "P:cAlgo.API.PendingOrderCancelledEventArgs.Reason"
kind: "property"
type: "T:cAlgo.API.PendingOrderCancelledEventArgs"
url: "https://help.ctrader.com/ctrader-algo/references/EventArgs/PendingOrderCancelledEventArgs/Reason/"
---

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

# PendingOrderCancelledEventArgs.Reason

Member of [PendingOrderCancelledEventArgs](https://help.ctrader.com/ctrader-algo/references/EventArgs/PendingOrderCancelledEventArgs/index.md).

## Reason

Gets the reason for the pending order cancellation.

Environments: Desktop supported · CLI supported · Cloud supported.

C#:

```csharp
public PendingOrderCancellationReason Reason {get;}
```

Python:

```python
pendingOrderCancelledEventArgs.Reason: PendingOrderCancellationReason
```

### Returns

`PendingOrderCancellationReason` — 

### Examples

C#:

```csharp
protected override void OnStart()
{
    PendingOrders.Cancelled += OnPendingOrdersCancelled;
}

private void OnPendingOrdersCancelled(PendingOrderCancelledEventArgs args)
{
    if (args.Reason == PendingOrderCancellationReason.Expired)
        Print("Order {0} expired", args.PendingOrder.Id);
}
```

Python:

```python
def on_start(self):
    api.PendingOrders.Cancelled += self.on_pending_orders_cancelled

def on_pending_orders_cancelled(self, args):
    if args.Reason == PendingOrderCancellationReason.Expired:
        api.Print(f"Order {args.PendingOrder.Id} expired")
```