# CustomerQuery

```java
String cid;
String username;
String email;
String phoneNumber;
String extId;
String extProp1;
String extProp2;
```

<table><thead><tr><th>Variable</th><th width="150">Description</th><th>Example</th></tr></thead><tbody><tr><td>cid</td><td>id of the customer</td><td></td></tr><tr><td>extId</td><td>a string value associated to the customer. Usually it is used to store an external CRM id of the customer</td><td></td></tr><tr><td>extProp1</td><td>a generic string value associated to the customer</td><td></td></tr><tr><td>extProp2</td><td>a generic string value associated to the customer</td><td></td></tr></tbody></table>