Send a custom email to user after the user's email is validated

my_send_email_after_validation.php

<?php

/**
 * Add this code to your PMPro Customizations Plugin - http://www.paidmembershipspro.com/create-a-plugin-for-pmpro-customizations/
 * This function below sends a custom HTML email to the user that checks out for a pmpro membership level, easily extendible to send to admins, or specific users and so on.
 * Website: https://paidmembershipspro.com
 */

function my_send_email_after_validation( $user_id ){

		$user_details = get_userdata( $user_id ); //get validated user's data

		$my_email = new PMProEmail();

		$my_email->email = $user_details->user_email;  // send to the validated email address
		$my_email->subject = 'Thank you for validating your email address!'; // Set email subject line here
		$my_email->template = 'My Post Validation Email'; // custom name of email template.

		$my_email->body = '<p>Hi there,</p>'; // header of body content goes here
		$my_email->body .= '<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit.</p>'; // body content goes here.
		$my_email->body .= '<p>Best Regards,</p> My Site Name.'; // footer content goes here.

		$my_email->sendEmail();

}

add_action( 'pmproec_after_validate_user', 'my_send_email_after_validation', 10 );