addons-cm/portal_event_registration/security/ir.model.access.csv

1	id	name	model_id:id	group_id:id	perm_read	perm_write	perm_create	perm_unlink
2	access_event_event_portal	event.event.portal	event.model_event_event	base.group_portal	1	0	0	0
3	access_event_registration_portal	event.registration.portal	event.model_event_registration	base.group_portal	1	0	0	0