odoo16/addons/crm/wizard/crm_lead_pls_update_views.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <record id="crm_lead_pls_update_view_form" model="ir.ui.view">
        <field name="name">crm.lead.pls.update.view.form</field>
        <field name="model">crm.lead.pls.update</field>
        <field name="arch" type="xml">
            <form>
                <p>
                    The success rate is computed based on the stage, but you can add more fields in the statistical analysis.
                </p>
                <p>
                    <field name="pls_fields" widget="many2many_tags" placeholder="Extra fields..."/>
                </p>
                <p>
                    Consider leads created as of the: <field name="pls_start_date"/>
                </p>
                <footer>
                    <button name="action_update_crm_lead_probabilities" type="object"
                        string="Confirm" class="btn-primary" data-hotkey="q"/>
                    <button special="cancel" data-hotkey="z" string="Cancel"/>
                </footer>
            </form>
        </field>
    </record>

    <record id="crm_lead_pls_update_action" model="ir.actions.act_window">
        <field name="name">Update Probabilities</field>
        <field name="res_model">crm.lead.pls.update</field>
        <field name="view_mode">form</field>
        <field name="target">new</field>
        <field name="view_id" ref="crm_lead_pls_update_view_form"/>
    </record>

</odoo>