mutation AddCustomIntegration($name: String!, $nodeTypes: [IntegrationNodeTypeInfo!]!) {
  addCustomIntegration(name: $name, nodeTypes: $nodeTypes) {
    ok
    integrationUid
  }
}

{
  "name": "string",
  "nodeTypes": [
    {
      "nodeType": "string"
    }
  ]
}

{
  "data": {
    "addCustomIntegration": {
      "ok": true,
      "integrationUid": "string"
    }
  }
}