query GetSystemConnections {
  system_connections {
    id
    carrier_id
    carrier_name
    display_name
    test_mode
    active
    capabilities
    credentials
    metadata
    config
    rate_sheet {
      id
      name
      slug
      carrier_name
      metadata
    }
  }
}

{
  "data": null,
  "errors": [
    {
      "message": "Cannot query field 'credentials' on type 'SystemConnectionType'.",
      "locations": [
        {
          "line": 10,
          "column": 5
        }
      ]
    },
    {
      "message": "Cannot query field 'metadata' on type 'SystemConnectionType'.",
      "locations": [
        {
          "line": 11,
          "column": 5
        }
      ]
    },
    {
      "message": "Cannot query field 'rate_sheet' on type 'SystemConnectionType'.",
      "locations": [
        {
          "line": 13,
          "column": 5
        }
      ]
    }
  ]
}