# Create custom field

This endpoint creates a custom field.

Endpoint: POST /v3/companies/{companyId}/custom-fields
Version: v3
Security: Bearer

## Path parameters:

  - `companyId` (string, required)
    Identifier for company.
    Example: "4974a66b-7493-4f41-908c-58ba81093947"

## Query parameters:

  - `companyRole` (string, required)
    Role of the company.
    Enum: "ORG", "TMC", "PARTNER_TMC", "HR_FEED_CONNECTOR", "TRIPS_DATA_CONNECTOR", "GLOBAL"

## Request fields (application/json):

  - `name` (string, required)
    Name of this field to be viewed by the user and consumed by mid-office systems.
    Example: "Air Reason Code"

  - `description` (object)
    User-facing description of the custom field.

  - `description.value` (string, required)
    Description of the custom field.
    Example: "This field will capture the reason for out of policy booking"

  - `includeLocations` (array)
    Enum: "BOOKING_CONFIRMATION_EMAILS", "APPROVAL_EMAILS", "COMPANY_REPORTS", "CONSOLIDATED_ITINERARY_EMAILS"

  - `managementTags` (array)

  - `managementTags.key` (string, required)
    The name or identifier of the tag.
    Example: "OOP Reason Code"

  - `managementTags.value` (string, required)
    The display name of the tag, used as an alternative on the management page.
    Example: "Out of Policy Code"

  - `respondOnlyOnceLevel` (string)
    User can respond this field only once at given level.
    Enum: "TRIP"

## Response 200 fields (application/json):

  - `id` (string, required)
    Example: "b93dc51f-12dd-46c7-b7d6-1cb12cd3f5b3"

## Response 400 fields (application/json):

  - `debugIdentifier` (string)
    Link to debug the error internally.

  - `errorMessages` (array)

  - `errorMessages.errorCode` (string)
    Error code to identify the specific errors.

  - `errorMessages.message` (string)
    Message containing details of error.

  - `errorMessages.errorParameters` (array)
    Error message parameters.

  - `errorMessages.errorParameters.name` (string)
    Parameter name

  - `errorMessages.errorParameters.value` (string)
    Parameter value

  - `errorMessages.errorDetail` (string)
    More details about the error.

## Response 401 fields (application/json):

  - `debugIdentifier` (string)
    Link to debug the error internally.

  - `errorMessages` (array)

  - `errorMessages.errorCode` (string)
    Error code to identify the specific errors.

  - `errorMessages.message` (string)
    Message containing details of error.

  - `errorMessages.errorParameters` (array)
    Error message parameters.

  - `errorMessages.errorParameters.name` (string)
    Parameter name

  - `errorMessages.errorParameters.value` (string)
    Parameter value

  - `errorMessages.errorDetail` (string)
    More details about the error.

## Response 403 fields (application/json):

  - `debugIdentifier` (string)
    Link to debug the error internally.

  - `errorMessages` (array)

  - `errorMessages.errorCode` (string)
    Error code to identify the specific errors.

  - `errorMessages.message` (string)
    Message containing details of error.

  - `errorMessages.errorParameters` (array)
    Error message parameters.

  - `errorMessages.errorParameters.name` (string)
    Parameter name

  - `errorMessages.errorParameters.value` (string)
    Parameter value

  - `errorMessages.errorDetail` (string)
    More details about the error.