How to add a custom script for a child table doctype

[OmarJaber]

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Child Table Calculation

This may help: //The following three scripts calculates the rate/amount based on quantity. frappe.ui.form.on("Material Request Item", { rate: function(frm, cdt, cdn) { var d = locals[cdt][cdn]; frappe.model.set_value(d.doctype, d.name, 'amount', (d.qty * d.rate)); var total = 0; frm.doc.items.forEach(function(d) { total += d.amount; }); frm.set_value('total_amount', total); }, qty: function(frm, cdt, cdn) { var …