Although the sort query parameter in the GET /post-order/v2/cancellation/search method actually references this type, none of the elements defined in this type are literally used through the sort query parameter.
Call that uses CancelSortField:
This boolean field is not literally used. To initiate the return of cancellation requests in ascending order, a plus sign (+) prepends the sort value. To initiate the return of cancellation requests in descending order, a minus sign (-) prepends the sort value.
See the Field Index to learn which calls use ascending.
This field is not literally used, but the sort query parameter value is set to one of the values defined in CancelSortTypeEnum type, prepended by either a plus sign (+) or minus sign (-) to set ascending or descending order, respectively. See the CancelSortTypeEnum type definition for a complete list of supported sort values.
See the Field Index to learn which calls use enumValue.