Question: From P3 & P4 user can’t derectly set to P1 but from P2 they can set P1

Object: Business Rule – Before

Class: current

Script:

(function executeRule(current, previous / null when async / ) {
        // Add your code here
        var op = current.operation();
        if (op == 'insert') {
            if (current.priority == 1) {
                gs.addErrorMessage("you can't create P1 incident directly");
                current.setAbortAction(true);
            }
        } else if (op == 'update') {
            if (current.priority == 1 && (previous.priority == 3 || previous.priority == 4 || previous.priority == 5)) {
                gs.addErrorMessage("you can't create P1 incident from " + previous.priority);
                current.setAbortAction(true);
            }
        }