---
title: "sec_protocol_metadata_get_server_name(_:)"
framework: security
role: symbol
role_heading: Function
path: "security/sec_protocol_metadata_get_server_name(_:)"
---

# sec_protocol_metadata_get_server_name(_:)

## Declaration

```swift
func sec_protocol_metadata_get_server_name(_ metadata: sec_protocol_metadata_t) -> UnsafePointer<CChar>?
```

## Parameters

- `metadata`: A sec_protocol_metadata_t instance.

## Return Value

Return Value Returns A NULL-terminated string carrying the server name, or NULL if none was provided.

## Discussion

Discussion Obtain the server name offered by a client or server during connection establishmet. This is the value commonly carried in the TLS SNI extesion.