ItemSavedHandler.cs

private readonly ID clickPageEventCategoryItemId = new ID("Item ID of the Content Event Click");

public void OnItemSaved(object sender, EventArgs args)
{
    var savedItem = Event.ExtractParameter(args, 0) as Item;

    if (savedItem == null || savedItem.Database.Name.ToLower() != "master")
    {
        return;
    }

    var itemId = savedItem.ID.ToGuid().ToString();

    var clickEventName = $"{itemId}_click";

    var clickEventItem = savedItem.Database.SelectSingleItem($"/sitecore/system/Settings/Analytics/Page Events/Content Events Click/*[@@Name = '{itemId}_click']");

    if (clickEventItem != null)
    {
        return;
    }

    savedItem.Fields.ReadAll();

    Sitecore.Data.Fields.CheckboxField trackPerformanceField = savedItem.Fields["Track Performance"];

    if (!trackPerformanceField.Checked)
    {
        return;
    }

    var clickPageEventCategoryItem = savedItem.Database.GetItem(this.clickPageEventCategoryItemId);

    using (new EventDisabler())
    {
        using (new SecurityDisabler())
        {
            clickEventItem = clickPageEventCategoryItem.Add(clickEventName, new TemplateID(PageEventItem.TemplateID));

            var clickPageEventItem = PageEventItem.Create(clickEventItem);
            clickPageEventItem.BeginEdit();
            clickPageEventItem.IsSystem = true;
            clickPageEventItem.EndEdit();

            using (new EditContext(clickEventItem))
            {
                clickEventItem.Fields[FieldIDs.WorkflowState].Value = "EDCBB550-BED3-490F-82B8-7B2F14CCD26E";
                clickEventItem.Fields[FieldIDs.DisplayName].Value = clickEventName;
                clickEventItem.Fields[PageEventItem.FieldIDs.Points].Value = "0";
            }
        }
    }
}