# Invokable_IJoinAttributionGrain_GrainReference_B1619F67.GetArgumentCount

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.transactions.testkit.base/orleanscodegen.orleans.transactions.testkit.invokable-ijoinattributiongrain-grainreference-b1619f67/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.transactions.testkit.base/orleanscodegen.orleans.transactions.testkit.invokable-ijoinattributiongrain-grainreference-b1619f67/methods/)

```csharp
public override int GetArgumentCount()
```

Gets the number of arguments.