# Creating a new Holiday Calendar Association

This endpoint returns structured Holiday Calendar Association objects.
As with all Kantata OX API endpoints, the returned data will be referenced in sorted order in the `results` array
and will be indexed by ID in the `holiday_calendar_associations` top-level JSON key.
Please see our [Response Format](#section/Response-Format) section for more information.

Endpoint: POST /holiday_calendar_associations
Version: 1.0.0

## Query parameters:

  - `include` (string)
    Any of the below associations can be included in your request by providing the `include` param, e.g. `include=association1,association2`.
- `holiday` (Holiday) - The Holiday associated with this HolidayCalendarAssociation.
- `holiday_calendar` (HolidayCalendar) - The Holiday Calendar associated with this HolidayCalendarAssociation.

## Request fields (application/json):

  - `holiday_calendar_association` (object)

  - `holiday_calendar_association.holiday_id` (integer, required)
    The ID of the holiday to be associated with a calendar.

  - `holiday_calendar_association.holiday_calendar_id` (integer, required)
    The ID of the calendar to be associated with a holiday.

## Response 200:

  - `200` (unknown)
    Holiday Calendar Association has been created.

## Response 200 fields (application/json):

  - `count` (integer)

  - `meta` (object)

  - `meta.count` (integer)

  - `meta.page_count` (integer)

  - `meta.page_number` (integer)

  - `meta.page_size` (integer)

  - `results` (array)

  - `results.key` (string)

  - `results.id` (string)

  - `holiday_calendar_associations` (object)

  - `holidays` (object)

  - `holiday_calendars` (object)

## Response 400:

  - `400` (unknown)
    Bad Request

## Response 400 fields (application/json):

  - `errors` (array)

  - `errors.type` (string)

  - `errors.message` (string)

## Response 401:

  - `401` (unknown)
    Unauthorized request

## Response 401 fields (application/json):

  - `errors` (array)

  - `errors.type` (string)

  - `errors.message` (string)

## Response 403:

  - `403` (unknown)
    Forbidden request

## Response 403 fields (application/json):

  - `errors` (array)

  - `errors.type` (string)

  - `errors.message` (string)

## Response 404:

  - `404` (unknown)
    Page Not Found

## Response 404 fields (application/json):

  - `errors` (array)

  - `errors.type` (string)

  - `errors.message` (string)

## Response 422:

  - `422` (unknown)
    Unprocessable Entity

## Response 422 fields (application/json):

  - `errors` (array)

  - `errors.type` (string)

  - `errors.message` (string)

## Response 503:

  - `503` (unknown)
    Service is unavailable

## Response 503 fields (application/json):

  - `errors` (array)

  - `errors.type` (string)

  - `errors.message` (string)