odoo16/addons/payment_alipay/views/payment_provider_views.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>

    <record id="payment_provider_form" model="ir.ui.view">
        <field name="name">Alipay Provider Form</field>
        <field name="model">payment.provider</field>
        <field name="inherit_id" ref="payment.payment_provider_form"/>
        <field name="arch" type="xml">
            <xpath expr="//div[@id='provider_creation_warning']" position="after">
                <div class="alert alert-danger"
                     role="alert"
                     attrs="{'invisible': [('code', '!=', 'alipay')]}">
                    This provider is deprecated.
                    Consider disabling it and moving to <strong>Asiapay</strong>.
                </div>
            </xpath>
            <group name="provider_credentials" position="inside">
                <group attrs="{'invisible': [('code', '!=', 'alipay')]}">
                    <field name="alipay_payment_method" widget="radio"/>
                    <field name="alipay_seller_email"
                           attrs="{'invisible': [('alipay_payment_method', '=', 'standard_checkout')], 'required': [('code', '=', 'alipay'), ('alipay_payment_method', '=', 'express_checkout')]}"/>
                    <field name="alipay_merchant_partner_id"/>
                    <field name="alipay_md5_signature_key" password="True"/>
                </group>
            </group>
        </field>
    </record>

</odoo>