# PullingAgentStarted Constructors

[Type overview](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streaming.diagnostics.streamingevents.pullingagentstarted/)

## PullingAgentStarted(string, SiloAddress?, QueueId, TimeSpan, TimeSpan) {#constructor-string-orleans-runtime-siloaddress-nullable-orleans-streams-queueid-d4f30ba6}

[Dedicated page](/orleans/docs/api/csharp/microsoft.orleans.streaming/orleans.streaming.diagnostics.streamingevents.pullingagentstarted/constructors/constructor-string-orleans-runtime-siloaddress-nullable-orleans-streams-queueid-d4f30ba6/)

[Source](https://github.com/dotnet/orleans/blob/b7a9e3e1c9c54b3cec3a467c5734bf7744541bcf/src/Orleans.Streaming/Diagnostics/StreamingEvents.cs#L481-L496)

```csharp
public PullingAgentStarted(string streamProvider, SiloAddress? siloAddress, QueueId queueId, TimeSpan dueTime, TimeSpan period)
```

Event payload for when a persistent stream pulling agent starts for a queue.

### Parameters

- `streamProvider` (`string`): The name of the stream provider.
- `siloAddress` (`SiloAddress?`): The address of the silo.
- `queueId` (`QueueId`): The queue handled by the pulling agent.
- `dueTime` (`TimeSpan`): The initial due time for the queue pump timer.
- `period` (`TimeSpan`): The queue pump timer period.