# Invokable_ITransactionManagerExtension_GrainReference_Ext_12BEFA17.GetArgumentCount

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.transactions/orleanscodegen.orleans.transactions.abstractions.invokable-itransactionmanagerextension-grainreference-ext-12befa17/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.transactions/orleanscodegen.orleans.transactions.abstractions.invokable-itransactionmanagerextension-grainreference-ext-12befa17/methods/)

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

Gets the number of arguments.