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Adding Product Details to a Webhook Trigger in WordPress

This tutorial shows how to create a custom function that hooks into the wcf_ca_before_trigger_webhook action. The function will add product IDs and product categories to a $trigger_details object as arrays.

Prerequisites

• Basic understanding of WordPress hooks
• Access to WordPress admin and theme files
• Familiarity with PHP

Step 1: Create the Custom Function

Add the following code to your theme’s functions.php file or a custom plugin:

function add_product_details_to_webhook($trigger_details) {
    // Example: Assume $trigger_details contains a post ID
    $post_id = $trigger_details->post_id;

    // Get product IDs (example: retrieve from post meta)
    $product_ids = get_post_meta($post_id, 'product_ids', true);
    $product_ids = is_array($product_ids) ? $product_ids : array();

    // Get product categories (example: retrieve from post terms)
    $categories = wp_get_post_terms($post_id, 'product_cat', array('fields' => 'slugs'));
    $categories = is_array($categories) ? $categories : array();

    // Add the arrays to the $trigger_details object
    $trigger_details->product_ids = $product_ids;
    $trigger_details->product_categories = $categories;
}

Step 2: Hook the Function

Attach the function to the wcf_ca_before_trigger_webhook action:

add_action('wcf_ca_before_trigger_webhook', 'add_product_details_to_webhook', 10, 1);

• wcf_ca_before_trigger_webhook: The hook name.
• add_product_details_to_webhook: The function to call.
• 10: Priority (default is 10).
• 1: Number of arguments passed to the function.

Step 3: Test the Function

1. Trigger the webhook (e.g., via a plugin or custom code).
2. Verify that $trigger_details now contains:

• product_ids: An array of product IDs.
• product_categories: An array of product category slugs.

Notes

• Customization: Adjust get_post_meta and wp_get_post_terms parameters based on your data structure.
• Error Handling: Add checks to ensure $post_id and related data exist.
• Performance: If querying large datasets, consider caching results.

Conclusion

This tutorial demonstrates how to enhance a webhook trigger by adding product details using WordPress hooks. By following these steps, you can extend the functionality of your WordPress site to include custom data in webhook events.

This post has been uploaded to share ideas an explanations to questions I might have, relating to no specific topics in particular. It may not be factually accurate and I may not endorse or agree with the topic or explanation – please contact me if you would like any content taken down and I will comply to all reasonable requests made in good faith.

– Dan