---
id: "T:cAlgo.API.AspBlockUpdatedEventArgs"
kind: "class"
namespace: "cAlgo.API"
url: "https://help.ctrader.com/ctrader-algo/references/EventArgs/AspBlockUpdatedEventArgs/"
---

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

# AspBlockUpdatedEventArgs (class)

Provides data for plugin ASP block updated event.

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 AspBlockUpdatedEventArgs
```

## Examples

C#:

```csharp
protected override void OnStart()
{
    var block = Asp.SymbolTab.AddBlock("My Block");
    block.Child = new TextBlock { Text = "Hello from plugin" };
    block.Updated += OnBlockUpdated;
}

private void OnBlockUpdated(AspBlockUpdatedEventArgs args)
{
    Print("Block {0} updated, expanded: {1}, height: {2}", args.AspBlock.Title, args.AspBlock.IsExpanded, args.AspBlock.Height);
}
```

Python:

```python
def on_start(self):
    block = api.Asp.SymbolTab.AddBlock("My Block")
    text_block = TextBlock()
    text_block.Text = "Hello from plugin"
    block.Child = text_block
    block.Updated += self.on_block_updated

def on_block_updated(self, args):
    api.Print(f"Block {args.AspBlock.Title} updated, expanded: {args.AspBlock.IsExpanded}, height: {args.AspBlock.Height}")
```

## Properties

- `public AspBlock AspBlock {get;}` — Updated block. [details](https://help.ctrader.com/ctrader-algo/references/EventArgs/AspBlockUpdatedEventArgs/AspBlock/index.md)