contract/agreement_legal/views/agreement_section.xml

<odoo>

    <!-- Agreement Sections List View-->
    <record model="ir.ui.view" id="partner_agreement_section_list_view">
        <field name="name">Agreement Section List</field>
        <field name="model">agreement.section</field>
        <field name="arch" type="xml">
            <tree>
                <field name="sequence" widget="handle" />
                <field name="name" />
                <field name="title" />
                <field name="agreement_id" />
                <field name="active" invisible="1" />
            </tree>
        </field>
    </record>

    <!-- Agreement Sections Form View -->
    <record model="ir.ui.view" id="partner_agreement_section_form_view">
        <field name="name">Agreement Section Form</field>
        <field name="model">agreement.section</field>
        <field name="arch" type="xml">
            <form string="Section">
                <sheet>
                    <div class="oe_button_box" name="button_box" />
                    <widget
                        name="web_ribbon"
                        title="Archived"
                        bg_color="bg-danger"
                        attrs="{'invisible': [('active', '=', True)]}"
                    />
                    <field name="active" invisible="1" />
                    <div class="oe_title">
                        <label for="name" class="oe_edit_only" />
                        <h1><field name="name" /></h1>
                    </div>
                    <group>
                        <group>
                            <field name="title" />
                            <field name="agreement_id" />
                        </group>
                        <group>
                            <field name="sequence" />
                        </group>
                    </group>
                    <notebook>
                        <page string="Content">
                            <field name='content' nolabel="1" />
                            <group class="oe_edit_only">
                                <group>
                                    <field
                                        name="field_id"
                                        domain="[('model_id', '=', active_model),
                                            ('ttype', '!=', 'one2many'),
                                            ('ttype', '!=', 'many2many')]"
                                    />
                                    <field name="sub_object_id" readonly="1" />
                                    <field
                                        name="sub_model_object_field_id"
                                        domain="[('model_id', '=', sub_object_id),
                                            ('ttype', '!=', 'one2many'),
                                            ('ttype', '!=', 'many2many')]"
                                        attrs="{'readonly':[('sub_object_id', '=', False)],
                                           'required':[('sub_object_id', '!=', False)]}"
                                    />
                                    <field name="default_value" />
                                    <field name="copyvalue" />
                                </group>
                                <p>
                                    This section (on the left) allows you to add dynamic fields inside the content.
                                    <ol>
                                        <li>Select the section field</li>
                                        <li>Select the sub-field</li>
                                        <li
                                        >Enter the default value if the field is empty</li>
                                        <li
                                        >Copy and paste the placeholder expression in the content</li>
                                    </ol>
                                </p>
                            </group>
                        </page>
                        <page string="Clauses">
                            <field
                                name="clauses_ids"
                                nolabel="1"
                                context="{'default_section_id': active_id, 'default_agreement_id': agreement_id}"
                            >
                                <tree>
                                    <field name="sequence" widget="handle" />
                                    <field name="name" />
                                    <field name="title" />
                                </tree>
                            </field>
                        </page>
                    </notebook>
                </sheet>
            </form>
        </field>
    </record>

    <!-- Agreement Section Search View -->
    <record model="ir.ui.view" id="partner_agreement_section_search_view">
        <field name="name">Agreement Section Search</field>
        <field name="model">agreement.section</field>
        <field name="arch" type="xml">
            <search string="Section">
                <field name="name" />
                <filter
                    name="group_agreement"
                    string="Agreements"
                    icon="terp-partner"
                    context="{'group_by':'agreement_id'}"
                />
            </search>
        </field>
    </record>

    <!-- Actions opening views on models -->
    <record model="ir.actions.act_window" id="partner_agreement_action_section">
        <field name="name">Agreement Sections</field>
        <field name="res_model">agreement.section</field>
        <field name="view_mode">tree,form</field>
    </record>

    <!-- Agreement Sections List View 2 (Call this view from agreement)-->
    <record model="ir.ui.view" id="partner_agreement_section_list_view2">
        <field name="name">Agreement Section List2</field>
        <field name="model">agreement.section</field>
        <field name="inherit_id" ref="partner_agreement_section_list_view" />
        <field name="mode">primary</field>
        <field name="priority">999</field>
        <field name="arch" type="xml">
            <tree position="attributes">
                <attribute name="default_order">sequence</attribute>
            </tree>
            <field name="agreement_id" position="attributes">
                <attribute name="invisible">1</attribute>
            </field>
        </field>
    </record>

    <!-- Agreement Sections Form View 2 (Call this view from agreement)-->
    <record model="ir.ui.view" id="partner_agreement_section_form_view2">
        <field name="name">Agreement Section Form2</field>
        <field name="model">agreement.section</field>
        <field name="inherit_id" ref="partner_agreement_section_form_view" />
        <field name="mode">primary</field>
        <field name="priority">999</field>
        <field name="arch" type="xml">
            <field name="agreement_id" position="attributes">
                <attribute name="invisible">1</attribute>
            </field>
        </field>
    </record>

</odoo>