HTTP/1.1 200 OK
Content-Type: application/xml; charset=utf-8

<?xml version="1.0" encoding="UTF-8"?>
<custom_field_definitions type="array">
  <custom_field_definition href="https://api.recurly.com/v2/custom_field_definitions/3722298505492673710">
    <id>3722298505492673710</id>
    <related_type>plan</related_type>
    <name>package</name>
    <user_access>writable</user_access>
    <display_name>Package</display_name>
    <tooltip>Value can be 'Basic' or 'Premium'</tooltip>
    <created_at type="datetime">2023-01-23T19:02:40Z</created_at>
    <updated_at type="datetime">2023-01-23T19:02:47Z</updated_at>
    <deleted_at nil="nil"></deleted_at>
  </custom_field_definition>
  <custom_field_definition href="https://api.recurly.com/v2/custom_field_definitions/3717783227799104920">
    <id>3717783227799104920</id>
    <related_type>charge</related_type>
    <name>size</name>
    <user_access>api_only</user_access>
    <display_name></display_name>
    <tooltip></tooltip>
    <created_at type="datetime">2023-01-17T13:31:37Z</created_at>
    <updated_at type="datetime">2023-01-17T13:31:37Z</updated_at>
    <deleted_at nil="nil"></deleted_at>
  </custom_field_definition>
  <custom_field_definition href="https://api.recurly.com/v2/custom_field_definitions/3704733972259271618">
    <id>3704733972259271618</id>
    <related_type>charge</related_type>
    <name>color</name>
    <user_access>api_only</user_access>
    <display_name></display_name>
    <tooltip></tooltip>
    <created_at type="datetime">2022-12-30T13:25:04Z</created_at>
    <updated_at type="datetime">2022-12-30T13:25:04Z</updated_at>
    <deleted_at nil="nil"></deleted_at>
  </custom_field_definition>
</custom_field_definitions>