# Campaign trigger on field changes

**URL:** <https://forum.mautic.org/t/campaign-trigger-on-field-changes/30818>\
**Category:** General Discussion\
**Created:** [February 7, 2024, 1:45pm UTC](https://forum.mautic.org/t/campaign-trigger-on-field-changes/30818 "2024-02-07T13:45:01Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![candidatehub](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/candidatehub/32/4688_2.png) [@candidatehub](https://forum.mautic.org/u/candidatehub)\
**Post date:** [February 7, 2024, 1:45pm UTC](https://forum.mautic.org/t/campaign-trigger-on-field-changes/30818/1 "2024-02-07T13:45:01Z")

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Hi

I am tracking a custom field which shows where a contact is within a hiring process. This field is updated through the api. I want to communicate with the contacts depending on the value of that field and how often it changes.

Is it possible to trigger a campaign event when a field changes or if it doesn’t change for a certain period of time? For example, when it changes to the next step in the process I want to send out a specific email, but if it doesn’t change for say 2 weeks, I want to send out an email just keeping the contact in the loop.