> For the complete documentation index, see [llms.txt](https://docs.dnscontrol.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.dnscontrol.org/language-reference/domain-modifiers/dhcid.md).

# DHCID

`DHCID` adds a [DHCP identifier record](https://www.rfc-editor.org/rfc/rfc4701) to the domain.

Digest should be a string.

{% code title="dnsconfig.js" %}

```javascript
D("example.com", REG_MY_PROVIDER, DnsProvider(DSP_MY_PROVIDER),
  DHCID("example.com", "ABCDEFG"),
);
```

{% endcode %}