> For the complete documentation index, see [llms.txt](https://docs-en.dydu.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs-en.dydu.ai/custom-analytics/configuration/predefined-sources.md).

# Predefined sources

## Create a predefined source

1. Click on the <mark style="background-color:purple;">+</mark> button to add a new source.

<figure><img src="/files/BhQ3TGMKTJ1Ppd0wy8Y7" alt=""><figcaption></figcaption></figure>

2. Fill in the following fields :

* **Nom (optional)**: If left blank, it will be automatically filled with the name of the indicator you choose.
* **Unit (optional)**
* **Max items (optional)**: Sets the maximum number of items (from 3 to infinity) to be displayed in your report.
* **Indicator (mandatory)**: Select from the dropdown the type of data you wish to track.
* **Inner loop (optional)**: Allows you to categorize the data source (indicator) into different categories such as language, consultation space, or Livechat operator skills.
* **Restriction (optional)**: Allows you to restrict the data source based on a predefined dimension.

> Note: An indicator can use only **one** **loop** but can have **multiple restrictions**.

<figure><img src="/files/SACIITgHOW24rqjIrTVL" alt=""><figcaption></figcaption></figure>

3. Once completed, your predefined source is automatically saved and can now be used to create your alert.

## Delete a predefined source

{% hint style="warning" %}
You cannot delete a source that is being used in an alert.
{% endhint %}