On my D8 site I have configured an action of type "Send email" using the Drupal Core "Actions" module (module can be installed under "Administration > Extend"). I want this Drupal Core action to trigger when a new comment is submitted.

In D7 there was another Drupal Core module named "Trigger" which allowed me to configure the desired trigger. In D8 there's no longer a "Trigger" module, nor can I find any other means to configure any Drupal Core action triggers. In the D8 docs I have found this not-very-helpful paragraph:

In D7, there are triggers defined, supporting the core Trigger module. This is not supported in D8.

My general question therefore is: How can I configure a D8 site to trigger an action that was defined via the Drupal Core module "Actions" when a certain event occurs? Specifically in my case: How can I trigger a "send email" action when a comment is submitted?

As the title of this question mentions, I don't want to write PHP code to achieve this. I am willing to install a stable third-party module, though, as long as it cooperates with the Drupal Core "Actions" module.

In a wider sense, I am trying to understand what the Drupal Core "Actions" module does. To me, the module seems to be quite useless if as a site admin I cannot configure triggers for its actions.

  • But you know of Rules, do you? – leymannx Oct 17 '18 at 11:38
  • @leymannx I've read about it in some other post here on "Drupal Answers", but I ruled (no joke intended) the module out because 1) from what I'm reading on the module page it does not cooperate with Drupal Core actions but defines its own actions & rules & API; and 2) after so many years since the D8 release the D8 port is still in alpha. Did I get 1) wrong? Or in case of 2) is the alpha release actually stable? – herzbube Oct 17 '18 at 12:43
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    I mean you want Rules without using Rules. The only route is custom code. – Kevin Oct 17 '18 at 13:07
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    I don't insist on it, I prefer not to use Rules. Trigger was removed from D8 in favor of Rules. But short of using Rules, the only way you will get configurable event/action UI is by using it - or writing code (the way I prefer since its far smaller). See: drupal.stackexchange.com/questions/246353/… – Kevin Oct 17 '18 at 13:23
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    In this specific case, the smallest amount of code I can imagine is something like hook_comment_insert (or presave, check isNew), if true, call the action as demonstrated in the link provided. – Kevin Oct 17 '18 at 13:25

In your specific case the commment notify module would be helpful.

From description,

Comment Notify is a lightweight tool to send notification e-mails to visitors about new, published comments on pages where they have commented. Comment Notify works for both registered and anonymous users.

Otherwise is could be done using Rules I think.

  • Apparently my question was ambiguous, my apologies for that. I'm looking for an answer that relates to actions that were configured using the Drupal Core "Actions" module. I have edited my question accordingly. Nevertheless, thanks for your answer. I will have a look at the module you suggest if nothing else turns up. – herzbube Oct 17 '18 at 12:58

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