# Invokable_ITransactionalResourceExtension_GrainReference_Ext_1BB071FE.SetTarget(ITargetHolder)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.transactions/orleanscodegen.orleans.transactions.abstractions.invokable-itransactionalresourceextension-grainreference-ext-1bb071fe/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.transactions/orleanscodegen.orleans.transactions.abstractions.invokable-itransactionalresourceextension-grainreference-ext-1bb071fe/methods/)

```csharp
public override void SetTarget(ITargetHolder holder)
```

Sets the invocation target from an instance of [ITargetHolder](/orleans/docs/api/csharp/microsoft.orleans.serialization/orleans.serialization.invocation.itargetholder/).

### Parameters

- `holder` (`ITargetHolder`): The invocation target.