Coworking/coworking_event/security/ir.model.access.csv

1	id	name	model_id:id	group_id:id	perm_read	perm_write	perm_create	perm_unlink
2	acess_coworker_group_user	Access COWORKER Member User	model_coworking_event	base.group_user	1	1	1	1