# Invokable_IExclusiveLockTransactionTestGrain_GrainReference_BD3AA4D0.SetTarget(ITargetHolder)

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.transactions.testkit.base/orleanscodegen.orleans.transactions.testkit.invokable-iexclusivelocktransactiontestgrain-grainreference-bd3aa4d0/) | [Methods](/orleans/docs/api/csharp/microsoft.orleans.transactions.testkit.base/orleanscodegen.orleans.transactions.testkit.invokable-iexclusivelocktransactiontestgrain-grainreference-bd3aa4d0/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.