Fire while handling sending password retrieval email to customer.

Source

File: /inc/class-wp-travel-user-account.php
Used by: /inc/class-wp-travel-user-account.php

Parameters
$user_login

Example:

function prefix_retrieve_password( $user_login ) {
    // Code here.
}
add_action( 'retrieve_password', 'prefix_retrieve_password'  );