purchase_global_discount/security/ir.model.access.csv

id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
access_purchase_global_fix_discount_purchase_global_fix_discount,purchase_global_fix_discount.purchase_global_fix_discount,model_purchase_global_fix_discount_purchase_global_fix_discount,,1,0,0,0