Custom button and add_fetch


I am trying to add a custom button on a doctype that will trigger the add_fetch function.

I am able to use the add_fetch alone, use the button to display an alert or to fill a field with text but not to fetch data from another doctype.

Here is my script today:

My button is called “get_po_details” and I chose the related PO in the “related_po” field (link type with POs) I created.

cur_frm.cscript.get_po_details = function(doc) {

Am I missing something?

Add fetch is not designed to work that way:

try this:

frappe.ui.form.on("[doctype]", "get_po_details", function(frm) {
  frappe.model.with_doc("Purchase Order", frm.doc.related_po, function() { 
     var po = frappe.model.get_doc("Purchase Order", frm.doc.related_po);
     frm.set_value("country_of_origin", po.country_of_origin);
1 Like

Works perfectly thanks !

I am trying to fetch item_code as well but it is not in the Purchase Order, what is the correct way to fetch data from child doctype?


loop over po.items in the earlier script.

with_doc loads the entire document.