> ## Documentation Index
> Fetch the complete documentation index at: https://docs.lantern.is/llms.txt
> Use this file to discover all available pages before exploring further.

# is_blocked

> Check if a customer is blocked from participating in the loyalty program.

## Syntax

<Tabs>
  <Tab title="Liquid">
    ```liquid theme={null}
    customer.metafields.lantern.is_blocked
    ```
  </Tab>
</Tabs>

## Description

The `is_blocked` metafield indicates whether a customer has been blocked from participating in the loyalty program. This boolean value prevents customers from earning points, redeeming rewards, or accessing loyalty benefits. Customers can be blocked for various reasons including fraud prevention, terms of service violations, or administrative actions.

## Properties

**Type:** `Boolean`
**Namespace:** `lantern`

## Return Values

| Scenario                    | Value   | Type    |
| --------------------------- | ------- | ------- |
| Customer is blocked         | `true`  | Boolean |
| Customer is not blocked     | `false` | Boolean |
| Block status not determined | `null`  | null    |
| Logged out                  | `null`  | null    |

## Examples

### Basic Block Check

```liquid theme={null}
{% assign is_blocked = customer.metafields.lantern.is_blocked %}
{% if is_blocked %}
  <div class="loyalty-blocked alert alert-warning">
    <h4>Loyalty Program Access Restricted</h4>
    <p>Your loyalty account has been temporarily restricted. Please contact customer service for assistance.</p>
    <a href="/pages/contact" class="btn btn-secondary">Contact Support</a>
  </div>
{% else %}
  {% comment %} Show normal loyalty features {% endcomment %}
  {% assign points = customer.metafields.lantern.loyalty_points %}
  {% if points %}
    <div class="loyalty-status">
      <p>Available Points: {{ points }}</p>
    </div>
  {% endif %}
{% endif %}
```