<?xml version="1.0"?>
<form>
                    <sheet>
                        <div class="oe_title">
                            <h1>
                                <field name="name" placeholder="Budget Name"/>
                            </h1>
                        </div>

                        <notebook>
                            <page string="Budget Items" name="budget_items">
                                <field name="item_ids" nolabel="1">
                                    <list editable="bottom">
                                        <field name="account_id" width="40%"/>
                                        <field name="date" string="Months" options="{'min_precision': 'months'}" width="30%"/>
                                        <field name="amount" width="30%"/>
                                    </list>
                                </field>
                            </page>
                        </notebook>
                    </sheet>
                </form>
            