server-ux/base_tier_validation/data/mail_data.xml

<?xml version="1.0" encoding="utf-8" ?>
<flectra noupdate="1">
    <record
        id="mt_tier_validation_requested"
        model="mail.message.subtype"
        forcecreate="1"
    >
        <field name="name">Tier Validation Requested</field>
        <field name="default" eval="True" />
        <field name="internal" eval="True" />
        <field name="hidden" eval="True" />
    </record>
    <record
        id="mt_tier_validation_accepted"
        model="mail.message.subtype"
        forcecreate="1"
    >
        <field name="name">Tier Validation Accepted Notification</field>
        <field name="default" eval="True" />
        <field name="internal" eval="True" />
        <field name="hidden" eval="True" />
    </record>
    <record
        id="mt_tier_validation_rejected"
        model="mail.message.subtype"
        forcecreate="1"
    >
        <field name="name">Tier Validation Rejected Notification</field>
        <field name="default" eval="True" />
        <field name="internal" eval="True" />
        <field name="hidden" eval="True" />
    </record>
    <record
        id="mt_tier_validation_restarted"
        model="mail.message.subtype"
        forcecreate="1"
    >
        <field name="name">Tier Validation Restarted</field>
        <field name="default" eval="True" />
        <field name="internal" eval="True" />
        <field name="hidden" eval="True" />
    </record>
    <record
        id="mt_tier_validation_reminder"
        model="mail.message.subtype"
        forcecreate="1"
    >
        <field name="name">Tier Validation Reminder</field>
        <field name="default" eval="True" />
        <field name="internal" eval="True" />
        <field name="hidden" eval="True" />
    </record>
    <record
        id="mail_act_tier_validation_reminder"
        model="mail.activity.type"
        forcecreate="1"
    >
        <field name="name">Tier Validation Reminder</field>
        <field name="icon">fa-bell</field>
    </record>
</flectra>