contract/contract/data/mail_template.xml

<?xml version="1.0" encoding="utf-8" ?>
<odoo noupdate="1">
    <record id="email_contract_template" model="mail.template">
        <field name="name">Email Contract Template</field>
        <field
            name="email_from"
        >${(object.user_id.email and '%s &lt;%s&gt;' % (object.user_id.name, object.user_id.email) or '')|safe}</field>
        <field
            name="subject"
        >${object.company_id.name} Contract (Ref ${object.name or 'n/a'})</field>
        <field name="partner_to">${object.partner_id.id}</field>
        <field name="model_id" ref="model_contract_contract" />
        <field name="auto_delete" eval="True" />
        <field name="report_template" ref="contract.report_contract" />
        <field name="report_name">Contract</field>
        <field name="lang">${object.partner_id.lang}</field>
        <field
            name="body_html"
        ><![CDATA[
<div style="font-family: 'Lucida Grande', Ubuntu, Arial, Verdana, sans-serif; font-size: 12px; color: rgb(34, 34, 34); background-color: #FFF; ">
    <p>Hello ${object.partner_id.name or ''},</p>
    <p>A new contract has been created: </p>

    <p style="border-left: 1px solid #8e0000; margin-left: 30px;">
       &nbsp;&nbsp;<strong>REFERENCES</strong><br />
       &nbsp;&nbsp;Contract: <strong>${object.name}</strong><br />
       % if object.date_start:
       &nbsp;&nbsp;Contract Date Start: ${object.date_start or ''}<br />
       % endif

       % if object.user_id:
       % if object.user_id.email:
       &nbsp;&nbsp;Your Contact: <a href="mailto:${object.user_id.email or ''}?subject=Contract%20${object.name}">${object.user_id.name}</a>
       % else:
       &nbsp;&nbsp;Your Contact: ${object.user_id.name}
       % endif
       % endif
    </p>

    <br/>
    <p>If you have any questions, do not hesitate to contact us.</p>
    <p>Thank you for choosing ${object.company_id.name or 'us'}!</p>
    <br/>
    <br/>
    <div style="width: 375px; margin: 0px; padding: 0px; background-color: #8E0000; border-top-left-radius: 5px 5px; border-top-right-radius: 5px 5px; background-repeat: repeat no-repeat;">
        <h3 style="margin: 0px; padding: 2px 14px; font-size: 12px; color: #DDD;">
            <strong style="text-transform:uppercase;">${object.company_id.name}</strong></h3>
    </div>
    <div style="width: 347px; margin: 0px; padding: 5px 14px; line-height: 16px; background-color: #F2F2F2;">
        <span style="color: #222; margin-bottom: 5px; display: block; ">
            ${object.company_id.partner_id.sudo().with_context(show_address=True, html_format=True).name_get()[0][1] | safe}
        </span>
        % if object.company_id.phone:
            <div style="margin-top: 0px; margin-right: 0px; margin-bottom: 0px; margin-left: 0px; padding-top: 0px; padding-right: 0px; padding-bottom: 0px; padding-left: 0px; ">
                Phone: ${object.company_id.phone}
            </div>
        % endif
        % if object.company_id.website:
            <div>
                Web: <a href="${object.company_id.website}">${object.company_id.website}</a>
            </div>
        %endif
        <p></p>
    </div>
    <p></p>
    <a href="${object.get_base_url()}/my/contracts/${object.id}?access_token=${object.access_token}" target="_blank" style="background-color:#875A7B;padding: 8px 16px 8px 16px; text-decoration: none; color: #fff; border-radius: 5px; font-size:13px;">View contract</a>
</div>
        ]]></field>
    </record>
    <record id="mail_template_contract_modification" model="mail.template">
        <field name="name">Contract Modification Template</field>
        <field
            name="email_from"
        >${(object.user_id.email and '%s &lt;%s&gt;' % (object.user_id.name, object.user_id.email) or '')|safe}</field>
        <field
            name="subject"
        >${object.company_id.name} Contract (Ref ${object.name or 'n/a'}) - Modifications</field>
        <field name="model_id" ref="model_contract_contract" />
        <field name="lang">${object.partner_id.lang}</field>
        <field
            name="body_html"
        ><![CDATA[
            <p>Hello</p>
            <p>We have modifications on the contract that we want to notify you.</p>
        ]]></field>
    </record>
    <template
        id="mail_notification_contract"
        inherit_id="mail.mail_notification_paynow"
        primary="True"
    >
        <xpath expr="//t[@t-raw='message.body']" position="after">
            <t t-raw="0" />
        </xpath>
    </template>
    <template id="template_contract_modification" name="Contract Modification">
        <t t-call="contract.mail_notification_contract">
            <table border="1" align="center">
                <thead>
                    <tr>
                        <th name="th_date">Date</th>
                        <th name="th_description">Description</th>
                    </tr>
                </thead>
                <tbody>
                    <t t-foreach="record.modification_ids" t-as="modification">
                        <tr t-if="not modification.sent">
                            <td name="td_date">
                                <span t-field="modification.date" />
                            </td>
                            <td name="td_description">
                                <div t-field="modification.description" />
                            </td>
                        </tr>
                    </t>
                </tbody>
            </table>
        </t>
    </template>
</odoo>