in Scripts/Runtime/WitRequest.cs [220:234]
public WitRequest(WitConfiguration configuration, string path,
params QueryParam[] queryParams)
{
if (!configuration) throw new ArgumentException("Configuration is not set.");
configurationRequired = true;
this.configuration = configuration;
this.command = path.Split('/').First();
this.path = path;
this.queryParams = queryParams;
if (null == operatingSystem) operatingSystem = SystemInfo.operatingSystem;
if (null == deviceModel) deviceModel = SystemInfo.deviceModel;
if (null == deviceName) deviceName = SystemInfo.deviceName;
if (null == appIdentifier) appIdentifier = Application.identifier;
}