# Create attribute

Creates an attribute.

Endpoint: POST /v2/project/{project_id}/admin/attribute
Version: 2.0.0
Security: basicAuth

## Path parameters:

  - `project_id` (integer, required)
    Project ID. You can find this parameter in your Publisher Account next to the project name and in the browser address bar when working with a project. The URL has the following format: https://publisher.xsolla.com//projects/.
    Example: 44056

## Request fields (application/json):

  - `external_id` (string, required)
    Unique attribute ID. The external_id may contain only lowercase and uppercase Latin alphanumeric characters, dashes, and underscores.

  - `name` (object, required)
    Object with localizations for attribute's name. Keys are specified in ISO 3166-1.

## Response 201 fields (application/json):

  - `external_id` (string)
    Unique attribute ID. The external_id may contain only lowercase and uppercase Latin alphanumeric characters, dashes, and underscores.

## Response 401 fields (application/json):

  - `statusCode` (integer)
    Example: 401

  - `errorCode` (integer)
    Example: 1020

  - `errorMessage` (string)
    Example: "[0401-1020]: Error in Authentication method occurred"

## Response 422 fields (application/json):

  - `statusCode` (integer)
    Example: 422

  - `errorCode` (integer)
    Example: 1102

  - `errorMessage` (string)
    Example: "[0401-1102]: Unprocessable Entity. The property `property_name` is required"

  - `transactionId` (string)
    Example: "x-x-x-x-transactionId-mock-x-x-x"