contract/agreement/views/agreement_section.xml

<?xml version="1.0"?>
<odoo>

    <!-- Agreement Sections Sequences-->
    <record id="seq_agreement_section" model="ir.sequence">
        <field name="name">agreement_section_sequencer</field>
        <field name="code">agreement.section</field>
        <field name="prefix">0</field>
        <field name="padding">1</field>
    </record>

    <!-- 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 default_order='agreement_id, section_sequence'>
                <field name="agreement_id" string="Agreement"/>
                <field name="section_sequence" string="Sequence"/>
                <field name="name" string="Section Name"/>
                <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="Agreements Section Form">
                <sheet>
                    <div class="oe_title">
                        <label for="name" class="oe_edit_only" string="Section Name"/>
                        <h1><field name="name" string="Section Name"/></h1>
                    </div>
                    <group>
                        <field name="agreement_id" string="Agreement"/>
                    </group>
                    <group>
                        <field name='content' string="Content"/>
                    </group>
                    <notebook>
                        <page string="Clauses">
                            <field name="clauses_ids" string="Clauses" context="{'default_section_id': active_id,'default_agreement_id': agreement_id}">
                                <tree>
                                    <field name="clause_sequence" widget="handle"/>
                                    <field name="name"/>
                                    <field name="content"/>
                                </tree>
                            </field>
                        </page>
                        <page string="Dynamic Placeholder Generator">
                            THIS IS UNDER DEVELOPEMENT: The purpose of this section is to be able to create dynamic fields inside your content.
                            <group>
                                <field name="model_id"/>
                                <field name="model_object_field_id" domain="[('model_id','=',model_id),('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="null_value"/>
                                <field name="copyvalue"/>
                            </group>
                        </page>
                    </notebook>
                    Sequence #<field name="section_sequence" readonly="1"/>
                </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="Agreement Section Search">
                <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>

</odoo>