Document.GetElementById (timeend).

<div id="target"></div>

<button onclick="addButton()">Add</button>

<script>
    const
        target = document.querySelector('#target'),
        notificationList = [{
            typeNotification: 'typeNotification',
            email: 'email',
            delayLimit: 'delayLimit',
            timeStart: 'timeStart',
            timeEnd: 'timeEnd',
            valueNumber: 'valueNumber',
            phoneNumber: 'phoneNumber'
        }];

    let output = '';

    function addButton() {
        notificationList.forEach(item => {
            output = `
            <div class="container">
                <div class="row">
                    <div class="col">
                        ${item.email} - 1 of 2
                    </div>
                    <div class="col">
                        ${item.typeNotification} - 2 of 2
                    </div>
                </div>

                <div class="row">
                    <div class="col">
                        ${item.timeStart} - 1 of 3
                    </div>
                    <div class="col">
                        ${item.timeEnd} - 2 of 3
                    </div>
                    <div class="col">
                        ${item.delayLimit} - 3 of 3
                    </div>
                </div>
            </div>
        `;
            target.innerHTML += output
        });
    }
</script>
Angry Anteater