---
title: "metadata(definition:)"
framework: network
role: symbol
role_heading: Instance Method
path: "network/nwconnection/metadata(definition:)"
---

# metadata(definition:)

Retrieves the connection-wide metadata for a specific protocol.

## Declaration

```swift
final func metadata(definition: NWProtocolDefinition) -> NWProtocolMetadata?
```

## See Also

### Inspecting Connections

- [NWProtocolMetadata](network/nwprotocolmetadata.md)
- [endpoint](network/nwconnection/endpoint.md)
- [parameters](network/nwconnection/parameters.md)
- [queue](network/nwconnection/queue.md)