# CustomerAlias

<mark style="color:blue;">`string`</mark>  <mark style="color:red;">`Compulsory`</mark>

> If the recipient is an e-Delivery Note taxpayer, the label to which the delivery note will be sent is specified in this field.

{% hint style="info" %}
The label information of the recipient is entered. If the recipient has more than one tag, the relevant tag information must be entered.
{% endhint %}

```javascript
{
    EDespatch: {},
    CustomerAlias: "urn:mail:defaultpk@deneme.com" //Örnek olarak verilmiştir.
}
```


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