---
title: countOfResponseBodyBytesReceived
framework: foundation
role: symbol
role_heading: Instance Property
path: foundation/urlsessiontasktransactionmetrics/countofresponsebodybytesreceived
---

# countOfResponseBodyBytesReceived

The number of bytes transferred for the response body.

## Declaration

```swift
var countOfResponseBodyBytesReceived: Int64 { get }
```

## Discussion

Discussion This value includes protocol-specific framing, transfer encoding, and content encoding.

## See Also

### Accessing data transfer metrics

- [countOfRequestBodyBytesBeforeEncoding](foundation/urlsessiontasktransactionmetrics/countofrequestbodybytesbeforeencoding.md)
- [countOfRequestBodyBytesSent](foundation/urlsessiontasktransactionmetrics/countofrequestbodybytessent.md)
- [countOfRequestHeaderBytesSent](foundation/urlsessiontasktransactionmetrics/countofrequestheaderbytessent.md)
- [countOfResponseBodyBytesAfterDecoding](foundation/urlsessiontasktransactionmetrics/countofresponsebodybytesafterdecoding.md)
- [countOfResponseHeaderBytesReceived](foundation/urlsessiontasktransactionmetrics/countofresponseheaderbytesreceived.md)