Set Child table select Option Dynamically

[NCP]

Please check the example: Filter Options in Select Field

Another Reference:

Adding Options to custom filed based on item_code selected in the items child table

Hi @Navya_shree, Please apply it. frappe.ui.form.on("Purchase Order Item", { item_code: function(frm, cdt, cdn) { var row = locals[cdt][cdn]; if (row.item_code === "a") { frm.fields_dict.items.grid.update_docfield_property("custom_mpn","options",["A","B"]); } else { frm.fields_dict.items.grid.update_docfield_property("custom_mpn","options",["C","D"]); } frm.refresh_field("items"); } }); Output: Reference: Thank You!