# GrainCollectionOptions Fields

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.configuration.graincollectionoptions/)

## DEFAULT_ACTIVATION_TIMEOUT {#default-activation-timeout-62579aec}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.configuration.graincollectionoptions/fields/default-activation-timeout-62579aec/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Runtime/Configuration/Options/GrainCollectionOptions.cs)

```csharp
public static readonly TimeSpan DEFAULT_ACTIVATION_TIMEOUT
```

The default value for [GrainCollectionOptions](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.configuration.graincollectionoptions/).

## DEFAULT_COLLECTION_QUANTUM {#default-collection-quantum-0320daca}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.configuration.graincollectionoptions/fields/default-collection-quantum-0320daca/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Runtime/Configuration/Options/GrainCollectionOptions.cs)

```csharp
public static readonly TimeSpan DEFAULT_COLLECTION_QUANTUM
```

The default value for [GrainCollectionOptions](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.configuration.graincollectionoptions/).

## DEFAULT_DEACTIVATION_TIMEOUT {#default-deactivation-timeout-6a9aa5ab}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.configuration.graincollectionoptions/fields/default-deactivation-timeout-6a9aa5ab/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Runtime/Configuration/Options/GrainCollectionOptions.cs)

```csharp
public static readonly TimeSpan DEFAULT_DEACTIVATION_TIMEOUT
```

The default value for [GrainCollectionOptions](/orleans/docs/api/csharp/microsoft.orleans.runtime/orleans.configuration.graincollectionoptions/).