Restrict item fulfillment creation including bulk fulfillment action using user event script.

• Item fulfillment creation can be restricted using client script in saveRecord entry point.
• Although item fulfillment can be created using bulk fulfillment.
• To restrict the item fulfillment creation including bulk fulfillment action, use the user event script below and deploy into item fulfillment.

const beforeSubmit = (scriptContext) => {
    var custError = error.create({
        name: 'CUSTOM_ERROR',
        message: 'Fulfillment is restricted',
        notifyOff: false
    });
    alert('Fulfillment is restricted')
    throw custError
}