> For the complete documentation index, see [llms.txt](https://doc.sysdevmobile.com/kalipso5/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://doc.sysdevmobile.com/kalipso5/developing/form/actions/actions-description/group-email/pop3-get-unique-id-list.md).

# POP3 Get Unique ID List

Gets a list of Unique ID's from a POP3 Server.

Action available for the following operating systems:

![](/files/-MGIiDGuNcrVFP-DbUma)

### Parameters

* **Device's Names List** *\<unquoted string> -* The control or variable that saves the list of Unique ID's in the POP3 Server.
* **Number of Devices** *\<unquoted string> -* The control or variable that saves the number of Unique ID's in the POP3 Server.
* **Items Separator** *\<string> -* The string separator of each item in Unique ID's List. This parameter is Coded.