MemberPress Subscription Actions

mepr-sub-actions.php

<?php
// 1) User purchases and payment is complete
function capture_completed_transaction($txn) {
  //It's possible this could be a recurring transaction for a product the user is already subscribed to so probably use a user meta field described below
  $user = new MeprUser($txn->user_id); //A MeprUser object
  $membership = new MeprProduct($txn->product_id); //A MeprProduct object
  $users_memberships = $user->active_product_subscriptions('ids'); //An array of membership CPT ID's

  //Here you may want to grab a user meta field of your own creating and check to see if the user is already subscribed to this membership or not
  //If not, then push them to your 3rd party application and update the user meta field
  //If so, then do nothing
}
add_action('mepr-txn-status-complete', 'capture_completed_transaction');

//2) Transaction has expired (user cancelled, lapsed etc)
function catch_txn_expired($event) {
  $txn = new MeprTransaction($event->evt_id); //evt_id should be the id of a transaction
  $user = new MeprUser($txn->user_id);
  $users_memberships = $user->active_product_subscriptions();

  //Make sure they're not still subscribed to this membership somehow
  if(!empty($users_memberships)) {
    if(!in_array($txn->product_id, $users_memberships, false)) {
      //They are actually expired so remove them from your third party app here
    }
    //else the user is still subscribed to this membership, so do nothing
  }
  else {
    //The user has no memberships, so it's definitely expired
  }
}
add_action('mepr-event-transaction-expired', 'catch_txn_expired');

//3a) User updates their email address (cannot change usernames in WP)
function user_changed_email($errors, $mepr_user) {
  if(!empty($errors)) { return $errors; }

  $new_email = stripslashes($_POST['user_email']);
  
  if($mepr_user->user_email != $new_email) {
    //Email has changed, so update your third party app here
  }
}
add_filter('mepr-validate-account', 'user_changed_email', 10, 2); //Need to use this hook to get old and new emails

//3b) User updates password via MemberPress (if they do it via the WordPress login page you'll have to find another way to tie into that)
function catch_mepr_password_change() {
  if(!isset($_REQUEST['action']) || $_REQUEST['action'] != 'updatepassword') { return; }
  
  $new_pass = $_POST['mepr-new-password'];
  $new_pass_confirm = $_POST['mepr-confirm-password'];

  if(($new_pass == $new_pass_confirm) && !empty($new_pass)) {
    //Push the password to your 3rd party app. $new_pass is plaintext password
  }
}
add_action('init', 'catch_mepr_password_change', 3);

I edited expires_at field, but mepr-event-transaction-expired not work, can someone help me ?