# Accessing Username of Requestor

If you want to access the `username` or `id` of the requesting user from within the `doLookup` `onDetails` or `onMessage` method you can easily do this by accessing the `_request` property on the `options` variable passed into the respective method. The `_request` property contains a `user` object which includes a `username` and `id` property.

The structure of the `_request` property is as follows

```javascript
// _request property on the `options` variable
{
    _request: {
        user: {
            username: 'admin', //username of the requesting user
            id: 5 // user if of the requesting user
        }
    }
}
```

{% hint style="info" %}
The `id` property is a unique internal identifier used by Polarity to track the user.  The `id` is a `numeric` value and does not change even if the user updates their `username`.
{% endhint %}

## doLookup Example

Here is an example for how you would access the `username` and `id` of the requesting user from within the `doLookup` method.

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

```javascript
function doLookup(entities, options, cb){
    let username = options._request.user.username;
    let userId = options._request.user.id;
    
    // make use of `username` and/or `userId`
    ...
```

{% endcode %}

## onDetails Example

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

```javascript
function onDetails(lookupResult, options, cb){
    let username = options._request.user.username;
    let userId = options._request.user.id;
    // use `username` and `userId` as required
    ...
```

{% endcode %}

## onMessage Example

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

```javascript
function onMessage(payload, options, cb){
    let username = options._request.user.username;
    let userId = options._request.user.id;
    // use `username` and `userId` as required
    ...
```

{% endcode %}


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