# retrieve studies by private tag

**URL:** https://discourse.orthanc-server.org/t/retrieve-studies-by-private-tag/1292
**Category:** Google Groups archive
**Created:** [January 28, 2019, 8:44am UTC](https://discourse.orthanc-server.org/t/retrieve-studies-by-private-tag/1292 "2019-01-28T08:44:39Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![Shyam\_Bhaskaran](https://discourse.orthanc-server.org/letter_avatar_proxy/v4/letter/s/f1d935/32.png) [@Shyam\_Bhaskaran](https://discourse.orthanc-server.org/u/Shyam_Bhaskaran)
#### Post date: [January 28, 2019, 8:44am UTC](https://discourse.orthanc-server.org/t/retrieve-studies-by-private-tag/1292/1 "2019-01-28T08:44:39Z")

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So I have added a private tag to my dicom files before uploading them to orthanc, Is there any way to query orthanc and filter studies as per that private tag

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### Author: ![bdearlove](https://discourse.orthanc-server.org/user_avatar/discourse.orthanc-server.org/bdearlove/32/1661_2.png) [@bdearlove](https://discourse.orthanc-server.org/u/bdearlove)
#### Post date: [January 28, 2019, 4:12pm UTC](https://discourse.orthanc-server.org/t/retrieve-studies-by-private-tag/1292/2 "2019-01-28T16:12:07Z")

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Yeppers, instructions are here: [http://book.orthanc-server.com/users/rest.html](http://book.orthanc-server.com/users/rest.html) if you are using REST to query.