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# CustomerEngagement

An enumeration of the shared data between the merchant and customer.

```
enum CustomerEngagement
```

## Overview

Use this enumeration to authenticate credentials, display customer screen states, and get customer information.

## Topics

### Creating authentication credentials

[`struct Token`](/documentation/ProximityReader/CustomerEngagement/Token)

A token that authenticates access to a customer engagement session.

### Providing shopping cart token for payment request

[`struct ShoppingCartToken`](/documentation/ProximityReader/CustomerEngagement/ShoppingCartToken)

A token referencing the shopping cart.

### Displaying customer screen states

[`enum Status`](/documentation/ProximityReader/CustomerEngagement/Status)

A predefined set of customer engagement screen states.

### Getting customer information

[`struct Address`](/documentation/ProximityReader/CustomerEngagement/Address)

A customer’s address collected during a customer engagement session.

[`struct CustomerInfo`](/documentation/ProximityReader/CustomerEngagement/CustomerInfo)

A response structure that describes customer information.

[`struct SignUp`](/documentation/ProximityReader/CustomerEngagement/SignUp)

Contact information and marketing consent selections a customer provides during a sign-up request.

[`struct ShoppingCart`](/documentation/ProximityReader/CustomerEngagement/ShoppingCart)

A structure that describes the shopping cart content.


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