Useful CodeLets

Drupal 8 : Get title and meta tags from Site URL using Ajax

This CodeLet set title and body field values using Ajax.
Place this CodeLet to your custom module file(.module) or Create a Custom module for Drupal 8 as per documentation https://www.drupal.org/docs/8/creating-custom-modules.

First of all add a field(field_link) to your content type. after that add an ajax to that field as per CodeLet.
Ajax example to replace multiple fields on ajaxCallback.
You set multiple fields value on ajax trigger in Drupal 8.

Set user password using RULES

This CodeLet allows to set the user password during Rule execution, the following process can be used.

a) create user entity ($newuser)
b) set a rules variable $password (use PHP code to generate a random string)
c) execute custom PHP which looks like

This way, you can also use the variable $password in say, an email to the user letting them know what their automatically generated password is.

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Drupal: Recycle Ubercart coupons

This CodeLet recycles coupons created using Ubercart coupon module. The CodeLet chooses a coupon randomly from the available active coupons and send an email with coupon details to respective users. The coupon is remain active uintil defined period and then expires. This CodeLet, when cron runs, activates those coupons and those can be used again.

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