# Automatic lead source tracking

**URL:** <https://forum.mautic.org/t/automatic-lead-source-tracking/19583>\
**Category:** Ideas and Feature Requests\
**Tags:** tracking\
**Created:** [May 24, 2021, 3:27pm UTC](https://forum.mautic.org/t/automatic-lead-source-tracking/19583 "2021-05-24T15:27:46Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![ledzee](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/ledzee/32/4252_2.png) [@ledzee](https://forum.mautic.org/u/ledzee)\
**Post date:** [May 27, 2021, 5:10am UTC](https://forum.mautic.org/t/automatic-lead-source-tracking/19583/7 "2021-05-27T05:10:00Z")

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This is a relevant use case.  
So this could possibly also be something of an calculated field. That is, stamp a field (Original Source) with an UTM value (Latest Source) if the original value is empty.

Here is a another relevant discussion on the topic:

> [@Dynamic ("Calculated") Values in Campaign Actions](https://forum.mautic.org/t/dynamic-calculated-values-in-campaign-actions/13736/3):
>
> This would be a great feature. Some of the use cases of calculated fields I can think about are as follows: A formula field that could do a timestamp on a field when another field changes A formula field that could follow a logic of if, then… A formula that could do math operation (+,-,\*,/) as well as functions like SUM, AVG, MEAN, MEDIAN

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