# Update event custom field responses

Update the response to a custom field question.

Endpoint: PUT /v2/events/{eventId}/custom-field-responses
Version: v2
Security: Bearer

## Path parameters:

  - `eventId` (string, required)
    Event ID
    Example: "6926658168"

## Request fields (application/json):

  - `customFieldV3Responses` (array)
    List of custom field responses for an event.

  - `customFieldV3Responses.fieldId` (string, required)
    Custom field id

  - `customFieldV3Responses.fieldName` (string)
    Name of the custom field

  - `customFieldV3Responses.armId` (string, required)
    Arm id which is applicable

  - `customFieldV3Responses.readOnly` (boolean)
    Indicates whether the user can change the pre-selected options.
    Example: true

  - `customFieldV3Responses.hidden` (boolean)
    Whether this code will be hidden to the user.
    Example: true

  - `customFieldV3Responses.selectedOptions` (array, required)
    The list of options that are selected by user or auto populated.

  - `customFieldV3Responses.selectedOptions.name` (string, required)
    Value of the selection

  - `customFieldV3Responses.selectedOptions.description` (string)
    Description of the selection

  - `customFieldV3Responses.selectedOptions.additionalUserInput` (string)
    Additional user input

  - `customFieldV3Responses.selectedOptions.additionalInfos` (array)
    Actual values of the additional infos

  - `customFieldV3Responses.selectedOptions.additionalInfoConfigs` (array)
    Additional info configs for the selected option

  - `eventCustomFieldResponses` (array)
    List of custom field responses for an event.

  - `eventCustomFieldResponses.customFieldId` (string, required)
    The unique identifier for the custom field.
    Example: "f49d00fe-1eda-4304-ba79-a980f565281d"

  - `eventCustomFieldResponses.responseItems` (array)
    Responses selected by the event coordinator.

  - `eventCustomFieldResponses.responseItems.response` (string, required)
    The response of the custom field. It can be a text input from the user or a custom field code if the input is from a radio button or checkbox.
    Example: "Leisure travel"

  - `eventCustomFieldResponses.responseItems.additionalInput` (string)
    This contains additional input to the above response. It will only be used for checkbox with percentage and will contain the percentage value.
    Example: "20"

  - `eventCustomFieldResponses.travelerAccess` (string, required)
    Traveler access for the given custom field.
    Enum: "HIDDEN", "READ_ACCESS", "WRITE_ACCESS"

## 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.


## Response 200 fields