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Add new WooComerce Webhook topic only for order completed
Custom WC Webhook Manager
Add new webhook topic only for WC order completed.
Developed by Md Jahidul Islam ( oneTarek )
//Don't allow direct access
if( ! defined( 'ABSPATH' ) ) exit;
if( ! class_exists( 'Custom_WC_Webhook_Manager' ) ) :
class Custom_WC_Webhook_Manager {
public function __construct() {
add_filter('woocommerce_webhook_topics', array( $this, 'add_custom_webhook_topics' ), 10, 1 );
add_action('woocommerce_order_status_completed', array( $this, 'on_woocommerce_order_status_completed' ), 10, 2 );
add_filter('woocommerce_webhook_payload', array( $this, 'add_custom_webhook_payload' ), 10, 4 );
Custom topics must start with 'action.woocommerce_' or 'action.wc_'
described in the function wc_is_webhook_valid_topic
If the topic name starts with 'action' then there must has a wp hook named with the string used after dot(.)
So for this Topic we must have a wp hook 'wc_custom_order_completed'.
Adding custom topic hooks using filter 'woocommerce_webhook_topic_hooks' does not work here.
public function add_custom_webhook_topics( $topics ){
$topics['action.wc_custom_order_completed'] = 'Custom Order completed';
return $topics;
//Trigger wc_custom_order_completed hook on woocommerce_order_status_completed hook.
public function on_woocommerce_order_status_completed( $order_id, $order ){
//We could use 'woocommerce_order_status_completed' hook name directly with the topic name.
//But we are not using that direclty because , if in future WC pluign add new topic using that hook.
do_action('wc_custom_order_completed', $order_id, $order );
* Set payload for our custom topic.
public function add_custom_webhook_payload( $payload, $resource, $resource_id, $webhook_id ) {
if( isset( $payload['action'] ) && $payload['action'] == 'wc_custom_order_completed' && !empty( $payload['arg'] ) ) {
$webhook = wc_get_webhook( $webhook_id );
// Build the payload with the same user context as the user who created
// the webhook -- this avoids permission errors as background processing
// runs with no user context.
//See build_payload() in woocommerce/includes/class-wc-webhook.php
$current_user = get_current_user_id();
wp_set_current_user( $webhook->get_user_id() );
$version = str_replace( 'wp_api_', '', $webhook->get_api_version() );
$resource = 'order';
$payload = wc()->api->get_endpoint_data( "/wc/{$version}/{$resource}s/{$resource_id}" );
// Restore the current user.
wp_set_current_user( $current_user );
return $payload;
}//end class
$Custom_WC_Webhook_Manager = new Custom_WC_Webhook_Manager();
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khoipro commented Jan 5, 2022

Thank you for your bootstrap.

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Niloys7 commented Feb 17, 2023

Hello Bhaiya,
Since order.updated is triggered whenever the status changes, your code is an attractive solution to get the specific status.
This is actually what I am looking for 😄
Thank you.

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gregg-cbs commented Feb 22, 2023

Hey im not sure if you can help? i have been scouring the internet for hours and hours and im not getting anywhere. I dont know php.

I am using the woocommerce rest api on my node server to listen to webhooks - product, order, customer but it doesnt have any webhook topics for reviews.

How do I add topics or actions for reviews (crud) so that in the woocommerce api i can register webhooks with these topics and receive updates?

Any direction or help would be greatly appreciated, im at an end here :(

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I am glad to hear that someone else needs this code. :)

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I searched and found a plugin WP Webhooks . This plugin is very costly. Did you check this? If this plugin is unable to solve your problem, you have to write custom code.

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