# Identity verification request parameters

### certification(param, callback) <a href="#certification" id="certification"></a>

> **`merchant_uid`**  <mark style="color:red;">**\***</mark>  <mark style="color:green;">**string**</mark>
>
> **Order ID**&#x20;
>
> Unique order ID generated/managed by the merchant

> **`min_age`**    <mark style="color:green;">****</mark><mark style="color:purple;">**integer**</mark>
>
> **Minimum age allowed** **for verification**
>
> <mark style="color:red;">Only supported by Danal PG verification</mark>

> **`name`**    <mark style="color:green;">**string**</mark>
>
> **Customer name**&#x20;
>
> Auto filled value in the name field of verification window

> **`phone`**    <mark style="color:green;">**string**</mark>
>
> **Customer phone number**&#x20;
>
> Auto filled value in the phone field of verification window

> **`carrier`**    <mark style="color:green;">**string**</mark>
>
> **Carrier**&#x20;
>
> * SKT : `SKT`
> * KT : `KTF`
> * LGU+ : `LGT`
> * Budget phone : `MVNO`

> **`company`**    <mark style="color:green;">**string**</mark>
>
> **Service domain URL or name**
>
> * Service domain URL (Example: <https://www.iamport.co.kr>) or service name (Example: i'mport)
> * This does not directly affect identity verification, but input is recommended for integration with the [KISA's ePrivacy Clean Service](https://www.eprivacy.go.kr/)
> * Recommended when this function is called via local html in ReactNative/Ionic app since URL domain is unknown (Default: `i'mport`)

> **`m_redirect_url`**    <mark style="color:green;">**string**</mark>
>
> **Redirect URL**&#x20;
>
> URL to redirect to after verfication is complete in mobile&#x20;
>
> `imp_uid`, `merchant_uid` and `success` are appended as query string to the redirect URL.

> **popup**    <mark style="color:green;">****</mark><mark style="color:orange;">**boolean**</mark>
>
> **Option to open verification page in a popup window**&#x20;
>
> * PC: forcibly set to `popup`: `true`
> * Mobile: if you set `popup`: `false`, you must specify `m_redirect_url`