Ir Ui View

<?xml version="1.0" encoding="UTF-8"?>
<odoo>
    <record id="ir_ui_view.calendar.view_calendar_event_calendar_timeline" model="ir.ui.view">
        <field name="name">calendar.event.calendar.timeline</field>
        <field name="model">calendar.event</field>
        <field name="type">timeline</field>
        <field name="arch" type="xml">
            <timeline date_start="start" date_stop="stop" default_group_by="partner_id" event_open_popup="true"/>
        </field>
    </record>
</odoo>

<?xml version="1.0" encoding="UTF-8"?>
<odoo>
    <record id="ir_ui_view.hr_holidays_calendar.hr_leave_report_calendar_timeline" model="ir.ui.view">
        <field name="name">hr.leave.report.calendar.timeline</field>
        <field name="model">hr.leave.report.calendar</field>
        <field name="type">timeline</field>
        <field name="arch" type="xml">
            <timeline date_start="start_datetime" date_stop="stop_datetime" default_group_by="employee_id" event_open_popup="true">
                <field name="employee_id"/>
                <field name="holiday_status_id"/>
                <templates>
                    <t t-name="timeline-item">
                        <t t-if="record.holiday_status_id == '1,Ferien'">
                            <div class="o_leave_timeline_item" style="background-color: #f9ec6d;">
                                <span name="employee_id">
                                    <t t-esc="record.display_name"/>
                                </span>
                            </div>
                        </t>
                        <t t-elif="record.holiday_status_id == '2,Krankheit'">
                            <div class="o_leave_timeline_item" style="background-color: #ff9ad7;">
                                <span name="employee_id">
                                    <t t-esc="record.display_name"/>
                                </span>
                            </div>
                        </t>
                        <t t-else="">
                            <div class="o_leave_timeline_item">
                                <span name="employee_id">
                                    <t t-esc="record.display_name"/>
                                </span>
                            </div>
                        </t>
                    </t>
                </templates>
            </timeline>
        </field>
    </record>
</odoo>