id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
custom.report,custom_report,model_custom_report,base.group_user,1,1,1,1,
custom.report.fields,custom_report_field,model_custom_report_fields,base.group_user,1,1,1,1,