puppeteer/docs/api/puppeteer.securitydetails.validfrom.md

---
sidebar_label: SecurityDetails.validFrom
---

# SecurityDetails.validFrom() method

#### Signature:

```typescript
class SecurityDetails {
  validFrom(): number;
}
```

**Returns:**

number

[Unix timestamp](https://en.wikipedia.org/wiki/Unix_time) marking the start of the certificate's validity.
chore: format docs (#8629) 2022-07-05 13:41:43 +00:00			`---`
			`sidebar_label: SecurityDetails.validFrom`
			`---`

			`# SecurityDetails.validFrom() method`

fix: update documentation on configuring puppeteer (#9150) This PR updates the docs regarding configuring puppeteer. In addition, some changes have been made to the documentation generator to show default values on the documentation site. Also fixes: https://github.com/puppeteer/puppeteer/pull/9144 2022-10-24 07:07:05 +00:00			`#### Signature:`
chore: format docs (#8629) 2022-07-05 13:41:43 +00:00
			```typescript
			`class SecurityDetails {`
			`validFrom(): number;`
			`}`
			```

			`Returns:`

			`number`

			`[Unix timestamp](https://en.wikipedia.org/wiki/Unix_time) marking the start of the certificate's validity.`