# Add custom fields

`POST /omni/add/custom-fields`

Base URL: `https://demo-api.incodesmile.com` — Incode demo environment

This endpoint is used for adding custom fields to current onboarding session.
The key must match one of the keys that are defined for the Organization, and the value must be of the type
that is defined for the corresponding key.

## Path & query parameters

| Name | In | Type | Required | Description |
| --- | --- | --- | --- | --- |
| `api-version` | header | string | yes |  |

## Request body

Content-Type: `application/json`

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `customFields` | object |  | Used to send any additional information in key value pair format. Max fields: {maxEntries}, max key length: {keyMaxLength}, max value length: {valueMaxLength} |

## Responses

### 200

OK

Response body (`application/json`):

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `success` | boolean |  | Flag indicating request passed successfully. |
| `sessionStatus` | string |  | Session status Enum: `Alive`, `Closed`, `Deleted` |

### 400

Bad Request

Response body (`application/json`):

| Field | Type | Required | Description |
| --- | --- | --- | --- |
| `timestamp` | integer (int64) |  | UTC timestamp in milliseconds |
| `status` | integer (int32) |  | Custom error code or HTTP status code |
| `error` | string |  | HTTP status error |
| `message` | string |  | Custom error message |
| `path` | string |  | Endpoint path |
| `details` | object |  | Custom error details |