# Invokable_ITransactionManagerExtension_GrainReference_Ext_89D56E96.GetArgumentCount

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.transactions/orleanscodegen.orleans.transactions.abstractions.invokable-itransactionmanagerextension-grainreference-ext-89d56e96/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.transactions/orleanscodegen.orleans.transactions.abstractions.invokable-itransactionmanagerextension-grainreference-ext-89d56e96/methods/)

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

Gets the number of arguments.