arm_change_email_content_with_user_detail

This filter provides access to modify body of the Email message, using user details before sending an email.

Hook Type: Filter
Usage:
add_filter( 'arm_change_email_content_with_user_detail', 'your_function', 10, 2);
function your_function($mailcontent, $user_id) {
    //$mailcontent Email Content.
    //$user_id User ID.
    $mailcontent = $mailcontent." Extra Mail Content.";
    return $mailcontent;
}
Parameters:
$mailcontent
Email Content
$user_id
User ID