How do I write migrate group files? I'm trying to create a Migrate group with following code. But it is not detected &amp; listed in admin/structure/migrate. Both migrate plus &amp; Migrate tools modules are installed.  I"m trying to create migration from WordPress tables. The module is called migrate_wordpress &amp; migrate group is defined in config/install with the name migrate_wordpress. migrate_group.wordpress.yml

id: wprdpress
label: WordPress Imports
description: Import from WordPress blog
source_type: Custom tables


What is wrong with above Migrate group configurations? What is the correct way to write an migrate group configuration file in Drupal 8?
I believe that groups are a feature of the migrate_plus module. In order for them to be recognised, the file needs to be named migrate_plus.migration_group.&lt;group_name&gt;.yml. The actual migrations also need to be formatted like this migrate_plus.migration.&lt;migration_name&gt;.yml.

One other issue I see is that your id: wprdpress should be id: wordpress. (Just in case that typo is in your code :) )

The last thing is that migrations are only defined on module install. This means that you have to uninstall and re-install every time. (Or you can implement some drush commands to do it for you. Check out this tutorial.)