POST /api/data/v2/datasources/{datasetId}/schemas HTTP/1.1
Host: {instance}.domo.com
x-domo-authentication: {session_token}
Content-Type: application/json
Accept: application/json

{
  "columns": [
    {
      "name": "name",
      "id": "name",
      "type": "STRING",
      "visible": true,
      "order": 0
    },
    {
      "name": "id",
      "id": "id",
      "type": "LONG",
      "visible": true,
      "order": 0
    },
    {
      "name": "alertId",
      "id": "alertId",
      "type": "LONG",
      "visible": true,
      "order": 0
    }
  ]
}