In Elementor you can define an action for a Raven Form element which can send an email or redirect to a page, after a user submitted the form.
You can also integrate the MailChimp with raven Form element.
Beware! Form element is a part of the Raven elements. Raven is an exclusive plugin developed by Artbees which represents new useful elements to Elementor.
Note: Before adding the MailChimp as an action to your form, you must add Mailchimp API key to your website from WordPress left menu > Elementor > Raven > MailChimp > API Key
You can learn more about how to get Mailchimp API key by referring to this article.
In order to add MailChimp action to the raven Form element:
1. In Elementor, drag and drop a Form widget into your layout so that a new panel will open on the left side of the Elementor with the element specific settings.
2. Go to Content tab and in the Settings section add a MailChimp action.
3. A new MailChimp options panel will emerge at the bottom of the Settings section. If you added Mailchimp API Key before, you can configure the MailChimp options.
4. Update the page.
Note: You can add a simple Email action to the form, so that you will be notified after a user submitted the form in your website. To learn more about it, I suggest you to refer to this article. You can also add a Redirect action to the form. In order to learn more about it, you can refer to this article.