# What do the IDs mean \_mby \_by \_id \_o

**URL:** <https://discourse.getcockpit.com/t/what-do-the-ids-mean-mby-by-id-o/2238>\
**Category:** General\
**Created:** [January 27, 2022, 9:39am UTC](https://discourse.getcockpit.com/t/what-do-the-ids-mean-mby-by-id-o/2238 "2022-01-27T09:39:40Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Rolf](https://avatars.discourse-cdn.com/v4/letter/r/94ad74/32.png) [@Rolf](https://discourse.getcockpit.com/u/Rolf)\
**Post date:** [January 27, 2022, 9:39am UTC](https://discourse.getcockpit.com/t/what-do-the-ids-mean-mby-by-id-o/2238/1 "2022-01-27T09:39:40Z")

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Can someone explain to me what these IDs meant and how I can use them purposefully in development?

- \_mby
- \_by
- \_id
- \_o

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**Author:** ![raffaelj](https://yyz2.discourse-cdn.com/flex030/user_avatar/discourse.getcockpit.com/raffaelj/32/331_2.png) [@raffaelj](https://discourse.getcockpit.com/u/raffaelj)\
**Post date:** [January 28, 2022, 6:04pm UTC](https://discourse.getcockpit.com/t/what-do-the-ids-mean-mby-by-id-o/2238/2 "2022-01-28T18:04:20Z")

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`_id`: unique entry _id_  
`_by`: user id - _created by_  
`_mby`: user id - _modified by_  
`_o`: _order_ - only used in collections with “custom sortable enties” activated