> For the complete documentation index, see [llms.txt](https://help.delpha.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.delpha.io/delpha-for-salesforce/how-to-faq/duplicate-cases-email-to-case/what-happens-when-i-process-a-duplicate-cases-pair.md).

# What happens when I process a duplicate cases pair?

## A comment is added on the New case (either merged of re-parented) 

<div align="left"><figure><img src="/files/NyyeEFQbBF5qawwLGDqu" alt="" width="360"><figcaption></figcaption></figure></div>

## The Parenting relationship is updated

{% columns %}
{% column %}
On the Newer case, Parent Case is updated
{% endcolumn %}

{% column %}

<figure><img src="/files/9cd85zFNd0mhBASgavgL" alt="" width="161"><figcaption></figcaption></figure>
{% endcolumn %}
{% endcolumns %}

{% columns %}
{% column %}
On the Master case, Related Cases are updated
{% endcolumn %}

{% column %}

<figure><img src="/files/6aqPtosYtqigj5X8azwi" alt="" width="161"><figcaption></figcaption></figure>
{% endcolumn %}
{% endcolumns %}

## Attachments on the Master record are updated.&#x20;

* The new files coming from the duplicate candidate are added to the attachments of the Master
* Duplicate attachments are deleted.

<div align="left"><figure><img src="/files/JPy4sjaG3NIMXa1fRw5M" alt="" width="159"><figcaption></figcaption></figure></div>


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