# Update a field (#+LAST\_MODIFIED: ) at save

**URL:** <https://org-roam.discourse.group/t/update-a-field-last-modified-at-save/321>\
**Category:** How To\
**Created:** [June 9, 2020, 4:32pm UTC](https://org-roam.discourse.group/t/update-a-field-last-modified-at-save/321 "2020-06-09T16:32:53Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![zaeph](https://yyz2.discourse-cdn.com/free1/user_avatar/org-roam.discourse.group/zaeph/32/764_2.png) [@zaeph](https://org-roam.discourse.group/u/zaeph)\
**Post date:** [June 10, 2020, 12:51pm UTC](https://org-roam.discourse.group/t/update-a-field-last-modified-at-save/321/7 "2020-06-10T12:51:58Z")

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The check for Org-mode is run inside the function, so you don’t need to worry about it:

> <https://github.com/zaeph/.emacs.d/blob/4548c34d1965f4732d5df1f56134dc36b58f6577/init.el#L2872-L2875>

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