wisdom-example-deactivation-hook.php

<?php
/**
 * Demo function to show wisdom_deactivate_existing_item hook
 *
 * @param $item_id Integer The ID of the newly created tracked-plugin post type
 * @param $post_params Array All data received from new site
 */
function showcase_wisdom_deactivate_item( $item_id, $post_params ) {
  update_option( 'my_test_deactivated_item', 'Item ID is ' . sanitize_text_field( $item_id ) );
  if( isset( $post_params['email'] ) ) {
    update_option( 'my_test_deactivated_item', 'Email address is ' . sanitize_email( $post_params['email'] ) );
  }
}
add_action( 'wisdom_deactivate_existing_item', 'showcase_wisdom_deactivate_item', 10, 2 );