New to jira

[shailesh ligade]

Hello,

I want to create a field that will display all users from a JIRA group and user will able to pick one (user picker - but restricted to group only)

Thanks

[Peter Macdonald]

Try using the Issue Alternative Assignee plugin which has a User Picker from Project Role field.

See https://marketplace.atlassian.com/plugins/com.iamhuy.jira.plugin.issue-alternative-assignee

Regards

Peter