--- name: ADGUARDHOME_A_PASSTHROUGH parameters: - source - destination provider: ADGUARDHOME parameter_types: source: string destination: string --- `ADGUARDHOME_A_PASSTHROUGH` represents the literal 'A'. AdGuardHome uses this to passthrough the original values of a record type. The second argument to this record type must be empty. See [this](https://github.com/AdguardTeam/Adguardhome/wiki/Configuration) page for more information. {% code title="dnsconfig.js" %} ```javascript D("example.com", REG_MY_PROVIDER, DnsProvider(DSP_MY_PROVIDER), ADGUARDHOME_A_PASSTHROUGH("foo", ""), ); ``` {% endcode %}