addons-meggit/base_meggit/views/sale.xml

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

		<!-- Customer form view -->
        <record id="custom_sales_meggit_form" model="ir.ui.view">
            <field name="name">custom.sales.meggit.form</field>
            <field name="model">custom.sale.order</field>
            <field name="arch" type="xml">
            	<form string="Sales Order">
	            	<sheet>
	            		<div class="oe_title">
	            			<h1>Sales Order</h1>
	            		</div>
	            		<group>
	            			<group>
	            				<field name="custom_sales_id" required="1"/>
	            				<field name="date"/>
	            				<field name="year" invisible="1"/>
	            				<field name="month" invisible="1"/>
	            				<field name="partner_id" required="1"/>
	            				<field name="partner_division_id"/>
	            				<field name="planning_scenario"/>
	            				<field name="planner"/>
	            				<field name="pipeline_category"/>
	            				<field name="currency_id"/>
	            			</group>
	            			<group>
	            				<field name="sale_type"/>
	            				<field name="product_id" required="1"/>
	            				<field name="quantity"/>
	            				<field name="quantity_actuals"/>
	            				<field name="quantity_total_pipeline"/>
	            				<field name="amount_forecast"/>
	            			</group>
	            		</group>
	            	</sheet>
	            	<div class="oe_chatter">
	            		<field name="message_follower_ids" widget="mail_followers"/>
	            		<field name="message_ids" widget="mail_thread"/>
	            	</div>
            	</form>
            </field>
        </record>

        <record id="custom_sales_meggit_tree" model="ir.ui.view">
            <field name="name">custom.sales.meggit.tree</field>
            <field name="model">custom.sale.order</field>
            <field name="arch" type="xml">
            	<tree string="Sales Order">
            		<field name="custom_sales_id"/>
            		<field name="partner_id"/>
            		<field name="product_id"/>
            		<field name="quantity"/>
            		<field name="amount_forecast"/>
            	</tree>
            </field>
        </record>

        <record id="action_custom_sales_order" model="ir.actions.act_window">
        	<field name="name">Sales Orders</field>
        	<field name="res_model">custom.sale.order</field>
        	<field name="view_type">form</field>
        	<field name="view_mode">tree,form</field>
        </record>

	</data>
</odoo>