migrate.migration.example_content.yml

id: example_content
label: Example content
migration_group: example
source:
  plugin: example_content
  target: db_migration
destination:
  plugin: entity:node
process:
  type:
    plugin: default_value
    default_value: article
  title: title
  uid:
    plugin: default_value
    default_value: 1
  changed: 
    plugin: example_date
    source: updated_at
  created: 
    plugin: example_date
    source: created_at
  sticky:
    plugin: default_value
    default_value: 0
  status:
    plugin: default_value
    default_value: 0
  'body/value': content
  'body/summary': excerpt
  'body/format': 
    plugin: default_value
    default_value: full_html
  # Use of the migration process plugin.
  # That will use the id map of the specified migration 
  # to retrieve the corresponding id ('source' parameter) in the destination database.
  field_image:
    plugin: migration
    migration: example_file
    source: image_id
  # Here its a multivalued fields we just pass an array of source ids. Nothing different, 
  # the transform() method wil be called on each value.
  field_attached_files:
    plugin: migration
    migration: example_file
    source: file_ids
  # And the category, difference here is that the unique id is a string (the name of the category).
  field_category:
    plugin: migration
    migration: example_category
    source: category
# We define the migration that need to run first.
migration_dependencies:
  required:
    - example_file
    - example_category