# LeaseRequest Properties

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.leaseproviders.leaserequest/)

## Duration {#duration-568106c2}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.leaseproviders.leaserequest/properties/duration-568106c2/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Core/Providers/ILeaseProvider.cs#L131)

```csharp
[Orleans.Id(1)]
public TimeSpan Duration
```

Duration of the lease

## ResourceKey {#resourcekey-eafd7ec9}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.core/orleans.leaseproviders.leaserequest/properties/resourcekey-eafd7ec9/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Core/Providers/ILeaseProvider.cs#L125)

```csharp
[Orleans.Id(0)]
public string ResourceKey
```

The key of the resource where you want to apply the lease on