pms/pms_project/views/pms_property_views.xml

<odoo>

    <record id="pms_property_views_form_project" model="ir.ui.view">
        <field name="name">pms.property.form.project</field>
        <field name="model">pms.property</field>
        <field name="inherit_id" ref="pms_base.view_pms_property_form" />
        <field name="arch" type="xml">
            <xpath expr="//notebook" position="inside">
                <page string="Tasks" name="Tasks">
                    <field name="task_ids" nolabel="1">
                        <tree editable="bottom">
                            <field name="name" />
                            <field name="project_id" invisible="1" />
                            <field name="company_id" invisible="1" />
                            <field name="user_id" />
                            <field name="date_deadline" />
                            <field name="stage_id" />
                        </tree>
                    </field>
                </page>
            </xpath>
        </field>
    </record>

</odoo>