# GeneratorAdapterFactory.ExecuteCommand(int, object?)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.providers.streams.generator.generatoradapterfactory/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.providers.streams.generator.generatoradapterfactory/methods/)

[Source](https://github.com/dotnet/orleans/blob/b7a9e3e1c9c54b3cec3a467c5734bf7744541bcf/src/Orleans.Streaming/Generator/GeneratorAdapterFactory.cs#L178-L194)

```csharp
public Task<object?> ExecuteCommand(int command, object? arg)
```

A function to execute a control command.

### Parameters

- `command` (`int`): A serial number of the command.
- `arg` (`object?`): An opaque command argument.

### Returns

The value returned from the command handler.