> For the complete documentation index, see [llms.txt](https://docs.coinbar.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.coinbar.io/point-of-sale/user-interface.md).

# User Interface

### Crypto payment section

* <mark style="color:blue;">**Customer Email:**</mark> Please insert in this field the customer email if he/she wants to recieve a summary of the crypto purchase
* <mark style="color:blue;">**Billing Price:**</mark> you have to complie this field with the subtotal amount in EURO of the client purchase

{% hint style="warning" %}
Only The <mark style="color:blue;">**Billing Price**</mark> is mandatory&#x20;
{% endhint %}

<figure><img src="/files/7jTikPOv9bFThRVLSBVQ" alt=""><figcaption></figcaption></figure>

### Top Left Corner Menu

* <mark style="color:blue;">**Home button:**</mark> you can use the home button to return in the homepage of POS
* <mark style="color:blue;">**History:**</mark> the history button helps you to have a detailed [**transaction data and reports**](/point-of-sale/transactions-and-reports.md)
* <mark style="color:blue;">**Settings:**</mark> you can change o reset your POS&#x20;

<figure><img src="/files/aUhDH2ZCIDoUry9X2gLB" alt=""><figcaption></figcaption></figure>

### Top right corner&#x20;

You can easily view your notifications about any available update, and language section&#x20;

<figure><img src="/files/Wwh9jIoYsK4PNm4rZLzG" alt=""><figcaption></figcaption></figure>

<figure><img src="/files/s3ZBk3o6ld8wI9VLozu1" alt=""><figcaption></figcaption></figure>

### Help Chat

On the right bottom you can find a support chat section for any extra assistance.

<figure><img src="/files/fvIZWIvm5BUyPIyc6fnt" alt=""><figcaption></figcaption></figure>