Migrate config file

migrate_plus.migration.course_variation.yml

id: course_variation
class: null
field_plugin_method: null
cck_plugin_method: null
migration_tags:
  - 'Drupal 7'
  - Content
migration_group: drupal_7
label: 'Course nodes'
source:
  plugin: course_variation
  constants:
    status: 1
    promote: 1
    sticky: 1
process:
  title: title
  field_course_date/value:
    plugin: format_date
    from_format: 'Y-m-d H:i:s'
    to_format: 'Y-m-d'
    source: field_course_date/0/value
  field_course_date/end_value:
    plugin: format_date
    from_format: 'Y-m-d H:i:s'
    to_format: 'Y-m-d'
    source: field_course_date/0/value2
  field_course_url: field_course_url/0/url
  field_registration_deadline:
    plugin: format_date
    from_format: 'Y-m-d H:i:s'
    to_format: 'Y-m-d'
    source: field_late_registration_deadline/0/value
  field_price: field_max_price/0/value
  field_modality: field_course_modality
  field_platform:
    - plugin: sub_process
      source: field_course_platform_term
      process:
        target_id:
          plugin: migration_lookup
          migration: pll_platform
          source: target_id
          no_stub: true
  created: created
  changed: timestamp
  status: 'constants/status'
  promote: 'constants/promote'
  sticky: 'constants/sticky'
  uid: uid
destination:
  plugin: 'entity:node'
  default_bundle: course_variation
migration_dependencies:
  optional:
    - d7_node
  required:
    - platform