---
title: "request(_:)"
framework: combine
role: symbol
role_heading: Instance Method
path: "combine/subscription/request(_:)"
---

# request(_:)

Tells a publisher that it may send more values to the subscriber.

## Declaration

```swift
func request(_ demand: Subscribers.Demand)
```

## Mentioned in

Processing Published Elements with Subscribers

## See Also

### Requesting elements

- [Subscribers.Demand](combine/subscribers/demand.md)