Create a data attribute

$ curl https://api.intercom.io/data_attributes \
-X POST \
-H 'Authorization:Bearer <Your access token>' \
-H 'Accept: application/json' \
-H 'Content-Type: application/json' -d

{
  "name": "list_cda",
  "description": "You are either alive or dead",
  "data_type": "options",
  "model": "contact",
  "options": [
    {"value": "alive"},
    {"value": "dead"}
  ]
}

HTTP/1.1 200 OK
{
    "id": 3649503,
    "type": "data_attribute",
    "name": "text_cda",
    "full_name": "custom_attributes.text_cda",
    "label": "Text CDA",
    "description": "This is a test",
    "data_type": "string",
    "api_writable": true,
    "ui_writable": false,
    "custom": true,
    "archived": false,
    "admin_id": "1627328",
    "created_at": 1567607118,
    "updated_at": 1567607118
}

HTTP/1.1 400 BAD REQUEST
{
  "type": "error.list",
  "request_id": "0006klvnje6ffng7ot80",
  "errors": [
    {
      "code": "parameter_invalid",
      "message": "You already have 'text_cda' in your people data. To save this as new company data, use a different name."
    }
  ]
}

HTTP/1.1 400 BAD REQUEST
{
  "type": "error.list",
  "request_id": "0000rnvpf3m1f3nf4k40",
  "errors": [
    {
      "code": "parameter_invalid",
      "message": "Your name for this attribute must only contain alphanumeric characters, currency symbols, and hyphens"
    }
  ]
}

HTTP/1.1 400 BAD REQUEST
{
  "type": "error.list",
  "request_id": "0000rnvpf3m1f3nf4k40",
  "errors": [
    {
      "code": "parameter_invalid",
      "message": "'Name' is one of our standard attributes for your people data. To save this as new people data, use a different name."
    }
  ]
}

HTTP/1.1 400 BAD REQUEST
{
  "type": "error.list",
  "request_id": "0000rnvpf3m1f3nf4k40",
  "errors": [
    {
      "code": "parameter_invalid",
      "message": "Data Type isn't an option"
    }
  ]
}

HTTP/1.1 400 BAD REQUEST
{
  "type": "error.list",
  "request_id": "0000rnvpf3m1f3nf4k40",
  "errors": [
    {
      "code": "parameter_invalid",
      "message": "You must have at least two options on a list type data attribute"
    }
  ]
}