vertical-cooperative/easy_my_coop_loan/views/partner_view.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
     Copyright 2019 Coop IT Easy
     License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
-->
<odoo>
	<record id="view_partner_form_loan_issue" model="ir.ui.view">
	    <field name="name">res.partner.form.loan.issue</field>
	    <field name="model">res.partner</field>
	    <field name="inherit_id" ref="easy_my_coop.view_partner_form_easy_my_coop"/>
	    <field name="arch" type="xml">
		    <page name="share_subscription" position="after">
		    	<page string="Loan issue lines" name="loan_issue_lines" groups="easy_my_coop.group_easy_my_coop_user">
					<group>
						<field name="is_loaner"/>
					</group>
	         		<field name="loan_line_ids">
	         			<tree create="false" delete="false" edit="false">
	         				<field name="loan_issue_id"/>
	         				<field name="date"/>
	         				<field name="quantity"/>
	         				<field name="face_value"/>
	         				<field name="amount"/>
	         				<field name="state"/>
	         			</tree>
	         		</field>
	         	</page>
	         </page>
	    </field>
    </record>

		<record id="view_res_partner_loaner_filter" model="ir.ui.view">
            <field name="name">res.partner.select</field>
            <field name="model">res.partner</field>
            <field name="inherit_id" ref="base.view_res_partner_filter"/>
            <field name="arch" type="xml">
            	<xpath expr="//filter[@name='supplier']" position='after'>
                   <filter string="Loaners" name="loaners" domain="[('is_loaner','=',1)]" help="Loaning Partners"/>
                </xpath>
            </field>
        </record>

	<record id="action_loaners" model="ir.actions.act_window">
		<field name="name">Loaners</field>
		<field name="res_model">res.partner</field>
		<field name="view_type">form</field>
		<field name="view_mode">kanban,tree,form</field>
		<field name="context">{'search_default_loaners':1}</field>
	</record>
</odoo>