> For the complete documentation index, see [llms.txt](https://developers.chathive.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developers.chathive.app/sdk/attributes.md).

# Attributes

## Customer data

These attributes are used to identify the current customer:

<table><thead><tr><th width="135">Attribute</th><th width="90">Type</th><th>Description</th></tr></thead><tbody><tr><td>id</td><td>string</td><td>The id of the customer in your system</td></tr><tr><td>email</td><td>string</td><td>Customers emails</td></tr><tr><td>firstName</td><td>string</td><td>Customers first name</td></tr><tr><td>lastName</td><td>string</td><td>Customers last name</td></tr><tr><td>avatar</td><td>string</td><td>Avatar to display for the customer</td></tr><tr><td>link</td><td>string</td><td>Link that redirects users to this customer inside your CRM system </td></tr></tbody></table>

{% hint style="warning" %}
Ensure compliance with GDPR laws when setting customer data.
{% endhint %}