---
description: Prepare for mobile identity verification integration.
---

# 1. Prepare for verification

Initialize the `IMP` object using the <mark style="color:blue;">**`Merchant ID`**</mark>.

{% tabs %}
{% tab title="JavaScript" %}
{% code title="client-side" %}
```javascript
var IMP = window.IMP; // Can be omitted
IMP.init("{Merchant ID}"); // Example: imp00000000
```
{% endcode %}
{% endtab %}

{% tab title="JS ES Next" %}
{% code title="client-side" %}
```javascript
const IMP = window.IMP; // Can be omitted
IMP.init("{Merchant ID}"); // Example: imp00000000
```
{% endcode %}
{% endtab %}
{% endtabs %}
