> ## Documentation Index
> Fetch the complete documentation index at: https://praison.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Execute Callback • Rust AI Agent SDK

> execute_callback: Execute sync callback for a display type

# execute\_callback

<div className="flex items-center gap-2">
  <Badge color="teal">Function</Badge>
</div>

> This function is defined in the [**display\_types**](../modules/display_types) module.

Execute sync callback for a display type

## Signature

```python theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
def execute_callback(display_type: &str, event: &DisplayEvent) -> ()
```

## Parameters

<ParamField query="display_type" type="&str" required={true}>
  No description available.
</ParamField>

<ParamField query="event" type="&DisplayEvent" required={true}>
  No description available.
</ParamField>

### Returns

<ResponseField name="Returns" type="()">
  The result of the operation.
</ResponseField>

## Uses

* `read`
* `get`
* `on_display`

## Source

<Card title="View on GitHub" icon="github" href="https://github.com/MervinPraison/PraisonAI/blob/main/src/praisonai-rust/praisonai/src/parity/display_types.rs#L211">
  `praisonai/src/parity/display_types.rs` at line 211
</Card>