<code>additional_fields</code> field is present in response only if [[Plugins#Additional fields|Additional fields plugin]] is enabled. Otherwise this field will be an empty array. This field contains an empty array if plugin is enabled but booking was created for a service with no additional fields. | <code>additional_fields</code> field is present in response only if [[Plugins#Additional fields|Additional fields plugin]] is enabled. Otherwise this field will be an empty array. This field contains an empty array if plugin is enabled but booking was created for a service with no additional fields. |