# help.getCdnConfig

Get configuration for [CDN](/cdn.md) file downloads.

```tl
cdnConfig#5725e40a public_keys:Vector<CdnPublicKey> = CdnConfig;
---functions---
help.getCdnConfig#52029342 = CdnConfig;
```

### Parameters

This constructor does not require any parameters.

### Result
[CdnConfig](/type/CdnConfig.md)

### Both users and bots can use this method

### Related pages

#### [Encrypted CDNs for Speed and Security](/cdn.md)
How client apps download popular public files from secondary CDN data centers.