how do I expose the user groups in a public registration-form in joomla? -

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when creating new account front-end i'd user able choose user group in register (joomla 2.9). how expose groups created in back-end registration form, users choose 1 when registering? thanks.

well, can add field form problem not want show of groups since people select super admin or admin.
need instead make custom field more selective.


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