- session_id [xsd:string]
- Your API session id.
- name [xsd:string]
- The name of the new list.
- type [xsd:string]
- The type of the new list, almost always email. If postcard is selected, mailing addresses will be checked for validity.
- custom_field_names [vrtypens:ArrayOfString]
- A list of names for any non-standards fields that should be provided for this list.
- custom_field_widths [vrtypens:ArrayOfString]
-
An array of widths for the custom fields. This array should match 1 on 1 with the fields array.
Allowed widths: “small”, “medium”, “large”. Defaults to “medium”