# JsonDurableTaskCompletionSourceCommandCodec&lt;T&gt; Constructors

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.journaling/orleans.journaling.json.jsondurabletaskcompletionsourcecommandcodec-1/)

## JsonDurableTaskCompletionSourceCommandCodec&lt;T&gt;(JsonSerializerOptions?) {#constructor-system-text-json-jsonserializeroptions-nullable-cef5b25c}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.journaling/orleans.journaling.json.jsondurabletaskcompletionsourcecommandcodec-1/constructors/constructor-system-text-json-jsonserializeroptions-nullable-cef5b25c/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Journaling/Formats/Json/JsonDurableValueCommandCodecs.cs#L127-L130)

```csharp
public JsonDurableTaskCompletionSourceCommandCodec(JsonSerializerOptions? options = null)
```

JSON codec for durable task completion source journal entries.

### Parameters

- `options` (`JsonSerializerOptions?`)
