I have below migration script for paragraph migration, where I have 2 fields, (1) icon_type --> List(text) field type (2) icon_url --> Link field type


If I run the migration script only icon_type is created but not the icon_url

id: icon_type_link
label: Icon Type Link
migration_group: devel
 plugin: csv
 path: 'modules/custom/my_custom_module/data/icon_type_link.csv'
   - id
 header_row_count: 1
 plugin: entity:paragraph
      plugin: default_value
      default_value: icon_type_link
 uuid: uuid
 entity_id: entity_id
 icon_type: icon_type
 icon_url/uri: url
 icon_url/title: title
migration_dependencies: {}

1 Answer 1


I guess both icon_url and icon_type are fields of your paragraph entity. Remove the leading blanks in front of the line


until it has the same indentation level as icon_type.

(Whitespaces are very important in YAML: Indenting something blanks makes it a child of a previous line with less blanks. In your example icon_url has 2 blanks and therefor it is a sub value of field icon_type. With only one blank [same as icon_type and all the other fields] it means that icon_url is a direct child of the global process [the one without blanks].)

  • Yes icon_type and icon_url are is in same level, and YAML file is not showing any error.
    – Ashi
    Commented Jul 31, 2018 at 6:05
  • Where is your icon_url source defined? Your icon_urldestination uses an icon_url source that isn't defined anywhere directly, and I don't know the CSV source plugin, but I don't think it a CSV source fields with sub values.
    – Hudri
    Commented Jul 31, 2018 at 7:26
  • Thank You for your reply. This is my csv file data [ id,uuid,entity_id,icon_type,url,title 1,a7fdd984-c622-4d12-9888-308b4f032897,1,speaker-icon,google.com,Test Import ] What source I need to add here?
    – Ashi
    Commented Jul 31, 2018 at 7:52
  • Completly remove the icon_url destination with iterate, this is only needed when dividing one source column into multiple destinations. Instead do something like target_field_name/sub_value_name: column_name_in_csv (every field sub value in its own line on the same level)
    – Hudri
    Commented Jul 31, 2018 at 10:58
  • Thank you Hudri. Now I made the changes(as mentioned by you) which is updated above and now it is working fine.
    – Ashi
    Commented Aug 1, 2018 at 13:02

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