odoo16/odoo/addons/base/views/decimal_precision_views.xml

<?xml version="1.0"?>
<odoo>
    <data>

        <record model="ir.ui.view" id="view_decimal_precision_form">
            <field name="name">Decimal Precision</field>
            <field name="model">decimal.precision</field>
            <field name="arch" type="xml">
                <form string="Decimal Precision">
                    <sheet>
                        <group col="4">
                            <field name="name" attrs="{'readonly': [('id', '!=', False)]}"/>
                            <field name="digits"/>
                        </group>
                    </sheet>
                </form>
            </field>
        </record>
        <record model="ir.ui.view" id="view_decimal_precision_tree">
            <field name="name">Decimal Precision List</field>
            <field name="model">decimal.precision</field>
            <field name="arch" type="xml">
                <tree string="Decimal Precision">
                    <field name="name"/>
                    <field name="digits"/>
                </tree>
            </field>
        </record>
        <record model="ir.actions.act_window" id="action_decimal_precision_form">
                <field name="name">Decimal Accuracy</field>
                <field name="res_model">decimal.precision</field>
        </record>
        <menuitem
            parent="base.next_id_9"
            id="menu_decimal_precision_form"
            action="action_decimal_precision_form"/>

    </data>
</odoo>