Event registration creates duplicate contacts — expected?

Question

Hi everyone,
I need some help with the Events module as it looks like Odoo creates a *new contact for every event registration*, even if the same person registers multiple children.
This makes contact management very complicated. Ideally, all registrations should be linked to the same contact instead of creating duplicates.
Is this the expected behavior, or is there a way to prevent duplicate contacts from being created?
Thanks in advance !

Cybrosys Techno Solutions Pvt.Ltd · Answer

Hi,

This happens because the event registration flow in Odoo doesn’t always merge or detect existing contacts.

To fix or mitigate this:

Customize registration logic
If possible, override or extend the registration process so it does something like:

existing = env['res.partner'].search([('email', '=', registration_email)], limit=1)
if existing:
use this partner
else:
create new partner

Use / check OCA module for “Unique Partner per Event”
There is an OCA module that prevents duplicate partne

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