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Drupal 9 content migrations


Learn to move content into Drupal 9 using the Migrate API. We will present an overview of the Extract-Transform-Load (ETL) pattern that Migrate implements. Source, process, and destination plugins will be explained to learn how each affect the migration process. By the end of the workshop, you will have a better understanding on how the migrate ecosystem works and the thought process required to plan and perform migrations. All examples will use YAML files to configure migrations. No PHP coding required.

There will be plenty of hands on examples to demonstrate different migrate concepts and how they can be used to import data into different types of fields. Time will also be allocated to answer attendee’s questions for topics not covered in the predefined material. 

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Learning Objectives

  • Understanding the ETL process
  • Writing your first migration from a CSV file
  • YAML syntax and migration errors
  • Introduction to process plugins
  • Understanding migration workflows
  • Migrating data into nodes and files
  • Migration syntax for multivalue fields
  • Migrating dates and times
  • Migrating addresses and validation considerations
  • Migrating taxonomy terms with entity_generate plugin
  • Source constants, pseudofields, and the process pipeline
  • Migration dependencies
  • Introduction to paragraph migrations
  • Migrating from JSON endpoints
  • Defining migrations as configuration entities
  • Running migrations from the user interface


Although no prior Migrate module knowledge is required, it is expected that you have a basic understanding of nodes, content types, and fields. We offer a getting started with Drupal training that covers all that is needed to take this course.

Setup instructions

Installing Drupal or 9 locally using composer is required. You can use the quick-start command that comes with Drupal core. Alternatively, you can use a tool like DrupalVM, Lando, DDEV, or Docksal. Drush needs to be installed in order to run migrations from the command line. You can learn more about the prerequisites for the training visiting

This training will be provided over Zoom. You can ask questions via text chat or audio. Sharing your screen, but you might want to do it to get assistance on a specific issue. Sharing your camera is optional.

What to expect

Birds flying

Prior to the training

Attendees will receive detailed instructions on how to setup their development environment. In addition, they will be able to join a support video call days before the training event to make the the local development environment is ready. This prevents losing time fixing problems with environment set up during the training.

On the days of the training

  • The training totals 7 hours of instruction, which we usually split into 2 sessions.
  • A team of developers available to answer questions and help with training-related issues.

After the training

  • Attendees will receive copies of the training recordings.
  • Attendees will receive a free copy of the 31 days of migrations book.
  • Attendees will receive a certificate of completion.

Training FAQ

Here are some quick answers to Frequently Asked Questions about Agaric trainings.

Can I get a discount when purchasing more than one training?

Yes, a 15% discount is available for additional trainings. Contact Agaric after purchasing your first training to get the information needed to purchase second or third at a discount.

Are scholarships available?

Yes, partial and full scholarships are available! We are prioritizing people facing disadvantages, in particular survivors of historical and ongoing discrimination and people under-represented in technology. Contact Agaric with your circumstances and for more information. Agaric will review your submission internally only— we do not share the information you provide in determining your eligibility for a discount/scholarship with anyone outside Agaric.

What if my corporate employer cannot submit payment for my attendance before the training date? If your company sees the benefit of you getting training from Agaric but the accounts payable department will not be able to accommodate fulfilling payment prior to the training date, please contact us for an invoice due up to 90 days after the training. I'm not sure I meet the prerequsites or will be able to set up a development environment.

Every training includes sessions ahead of time to help everybody get their local development environment set up before the training (if needed). We'll also direct you to other resources helpful for getting up to speed before the training. Contact Agaric to check in with where you are to get our help ensuring you get the full benefit of the training.

Can I cancel and get a refund?

No, we do not offer refunds but tickets are transferable and we'll help you re-sell the ticket, so please contact Agaric if you can't make the training.

Will I receive a recording or other materials?

Yes, all attendees will be sent recordings from the training as well as the curriculum and materials used in the training and additional books or other references and resources.

Will Agaric provide a certificate of completion?

Yes, all students who participate in the full training will receive a Certificate of Completion.

Have more questions? Ask Agaric!