Module development and code questions

Goodnight I am using commerce in drupal 8 and it really is much better than ubercart but something is happening to me when I enable the promotions and add the coupons, when the client adds said coupon it gives me an error The provided coupon code is invalid. What could be causing this?

We had installed SSL certificates in my Drupal project in AWS server, the website works fine with https. In this site we had configured our custom wallee module which is using Drupal Wallee SDK for payment transaction related functions. But while trying to initiate a new payment transaction below SSL certificate problem is triggering.

error setting certificate verify locations: CAfile: /var/www/html/walle/vendor/wallee/sdk/lib/ca-bundle.crt CApath: none

Dear All, 

I have entity bundle: "trainings" and dropdown field is training_type. How can i get the defaule values of this field.

i can get the selected value code but i need to get all default values in order to show the label.

Thanking you in advance.

Hi,

I have simple question, if i want call function with params inside twig like my example (galerie(article.id)), how i can achieve this?

{% for i, article in articles %}

{{ article.title}}

-->{{ galerie(article.id) }}<--

{% endfor %}

Thank you

I have updated the core/themes/stable/templates/navigation/pager.html.twig markup due to our requirements and this has caused the ajax functionality to stop working.

I have found that the Ajax selector is in core/modules/views/js/ajax_view.js line 99 and I need to add a new selector to make Ajax work on my view.

How could I achieve this?

I created a small custom module in Drupal 8 to moderate new entities and update entities.

The module is simple. It marks with the help of the flag module, the entities created or updated automatically.

Here is my module :