odoo/ext/custom-addons/cam_custom/security/ir.model.access.csv

1	id	name	model_id:id	group_id:id	perm_read	perm_write	perm_create	perm_unlink
2	crm_opportunity_report_show	crm_opportunity_report_show	crm.model_crm_opportunity_report	base.group_sale_salesman	1