--- title: cdnPublicKey description: Cdn public key image: https://docs.madelineproto.xyz/favicons/android-chrome-256x256.png --- # Constructor: cdnPublicKey [Back to constructors index](index.md) Cdn public key ### Attributes: | Name | Type | Required | Description | |----------|---------------|----------|-------------| |dc\_id|[int](../types/int.md) | Yes|DC ID| |public\_key|[string](../types/string.md) | Yes|Public key| ### Type: [CdnPublicKey](../types/CdnPublicKey.md) ### Example: ```php $cdnPublicKey = ['_' => 'cdnPublicKey', 'dc_id' => int, 'public_key' => 'string']; ``` [PWRTelegram](https://pwrtelegram.xyz) json-encoded version: ``` {"_": "cdnPublicKey", "dc_id": int, "public_key": "string"} ``` Or, if you're into Lua: ```lua cdnPublicKey={_='cdnPublicKey', dc_id=int, public_key='string'} ```