pms/pms_l10n_es/views/pms_property_views.xml

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

    <!-- Hotel Settings -->
    <record id="view_property_form_pms_l10n_es" model="ir.ui.view">
        <field name="name">Property Form l10n_es</field>
        <field name="model">pms.property</field>
        <field name="inherit_id" ref="pms.pms_property_views_form" />
        <field name="arch" type="xml">
            <xpath expr="//page[@name='property_settings']" position="inside">
                    <group name="property_data" string="Settings of guest information">
                        <field name="institution" />
                        <field name="institution_property_id" />
                        <field name="institution_user" />
                        <field name="institution_password" />
                    </group>
            </xpath>
        </field>
    </record>
</odoo>