puppeteer/docs/api/puppeteer.securitydetails.subjectalternativenames.md

---
sidebar_label: SecurityDetails.subjectAlternativeNames
---
# SecurityDetails.subjectAlternativeNames() method

**Signature:**

```typescript
class SecurityDetails {subjectAlternativeNames(): string[];}
```
**Returns:**

string\[\]

The list of [subject alternative names (SANs)](https://en.wikipedia.org/wiki/Subject_Alternative_Name) of the certificate.