On Preview

Triggered when the user initiates a preview action before saving. This event allows verification of data and business rules before final submission.

Commonly used for :

• Displaying calculated summaries before save
• Validating mandatory conditions
• Highlighting potential data issues
• Showing confirmation previews
• Simulating final output results

Sample Code :

REQUEST DETAILS

window.onload = function () {
  ZFAPPS.extension.init().then(function(App) {
   App.instance.on('ON_<MODULE_NAME>_PREVIEW', function () {
   /* Actions */ 
   });
  })
};

Related Modules :

• Invoice
• Estimate
• Salesorder
• Retainerinvoice
• Creditnote
• Bill
• Customerpayment
• Purchaseorder
• Item
• Journal
• Customer
• Vendor
• Custommodule