# IInvokable.GetArgumentCount

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.invocation.iinvokable/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.invocation.iinvokable/methods/)

```csharp
public abstract int GetArgumentCount()
```

Gets the number of arguments.