How to compute total QTY?

[umair]

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Calculate Total Qty of items table of Sales Invoice

Hi Nabinhait, I have tried the following script by changing the field type to float, table and data but none work. Is my script wrong ? Thank you in advance ! frappe.ui.form.on(“Purchase Order Item”, “qty”, function(frm, cdt, cdn) { // code for calculate total and set on parent field. total_qty = 0; $.each(frm.doc.items || [], function(i, d) { total_qty += flt(d.qty); }); frm.set_value(“UOM”, total_qty); });