How do I add a custom event to my Klaviyo account?

If you are a business owner or marketer using Klaviyo, you may want to add a custom event to your Klaviyo account in order to track and measure the performance of specific activities or campaigns. By adding a custom event, you can gain insights into how customers are engaging with your business, and use that data to optimize your marketing efforts. Additionally, custom events can be used to trigger automated emails or other actions in your Klaviyo account.