# MemoryMessageData Fields

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.providers.memorymessagedata/)

## DequeueTimeUtc {#dequeuetimeutc-12b76edc}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.providers.memorymessagedata/fields/dequeuetimeutc-12b76edc/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming/MemoryStreams/MemoryMessageData.cs)

```csharp
[Orleans.Id(2)]
public DateTime DequeueTimeUtc
```

The time this message was read from the message queue.

## EnqueueTimeUtc {#enqueuetimeutc-ee2ce038}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.providers.memorymessagedata/fields/enqueuetimeutc-ee2ce038/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming/MemoryStreams/MemoryMessageData.cs)

```csharp
[Orleans.Id(3)]
public DateTime EnqueueTimeUtc
```

The time message was written to the message queue.

## Payload {#payload-8d9547d4}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.providers.memorymessagedata/fields/payload-8d9547d4/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming/MemoryStreams/MemoryMessageData.cs)

```csharp
[Orleans.Id(4)]
public ArraySegment<byte> Payload
```

The serialized event data.

## SequenceNumber {#sequencenumber-d2fc3726}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.providers.memorymessagedata/fields/sequencenumber-d2fc3726/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming/MemoryStreams/MemoryMessageData.cs)

```csharp
[Orleans.Id(1)]
public long SequenceNumber
```

The position of the event in the stream.

## StreamId {#streamid-44d34fc6}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.providers.memorymessagedata/fields/streamid-44d34fc6/)

[Source](https://github.com/dotnet/orleans/blob/e4e752cedecc2976811db49802c7a999b1f1c704/src/Orleans.Streaming/MemoryStreams/MemoryMessageData.cs)

```csharp
[Orleans.Id(0)]
public StreamId StreamId
```

The stream identifier.