Parent and Child Improvement - Resolution Pop Up Message

[Karl F-V]

I have been tasked with completing a Pop up message within Incidents to alert users once trying to resolve a Parent Incident that all relevant Child Tickets still apply. I want the message to pop up upon adding state into Resolved but follow the below rules:

Not for Severity / Priority 1 or 2 Incidents

Non Production

Nor when Parent has no Child incidents

I've seen there may be a few options but being new to this area would appreciate and advise feedback recommendations on how to action.

[HIROSHI SATOH]

A Client Script can be added to the Incident form, triggered on the 'state' field change. It checks the Incident's attributes and the related Child Incidents to determine if the pop-up should be displayed.

function onChange(control, oldValue, newValue, isLoading) {
    if (isLoading || newValue == '') {
        return;
    }

    var incident = g_form.getRecord();
    if (incident.state == 'Resolved' && incident.severity != 1 && incident.severity != 2 && incident.priority != 1 && incident.priority != 2 && incident.u_environment != 'Production') {
        var childIncidents = new GlideRecord('incident');
        childIncidents.addQuery('parent_incident', incident.sys_id);
        childIncidents.query();
        if (childIncidents.hasNext()) {
            g_form.showFieldMsg('state', 'Child incidents exist. Please resolve them before resolving parent incident.', 'error');
            g_form.clearValue('state');
        }
    }

[Karl F-V]

Thanks will take a look with this is there an option to have Yes / No on the pop up as i can see most we have are OK / Cancel