# Participant to user mapping

**URL:** <https://discuss.workflowgen.com/t/participant-to-user-mapping/806>\
**Category:** Process Design\
**Created:** [June 29, 2017, 3:38pm UTC](https://discuss.workflowgen.com/t/participant-to-user-mapping/806 "2017-06-29T15:38:41Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![drzed](https://avatars.discourse-cdn.com/v4/letter/d/b5ac83/32.png) [@drzed](https://discuss.workflowgen.com/u/drzed)\
**Post date:** [June 29, 2017, 3:38pm UTC](https://discuss.workflowgen.com/t/participant-to-user-mapping/806/1 "2017-06-29T15:38:42Z")

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If I want to create a list of users are associated with a participant in runtime (to populate a dropdown list), how would I query the system to return to me a list of user names in the way I would see them on the “participants” tab in design time? in essence, assuming a REVIEWER participant, “tell me who all the REVIEWERs are.”

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**Author:** ![eddy.daouk](https://yyz2.discourse-cdn.com/flex030/user_avatar/discuss.workflowgen.com/eddy.daouk/32/672_2.png) [@eddy.daouk](https://discuss.workflowgen.com/u/eddy.daouk)\
**Post date:** [July 5, 2017, 4:15am UTC](https://discuss.workflowgen.com/t/participant-to-user-mapping/806/2 "2017-07-05T04:15:45Z")

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Apologies for the late reply.

You can use a group. Assign only that group to the participant REVIEWER.  
And then do an SQL Query retrieving all users from that group to populate the dropdown list.

Best regards,  
Eddy.