private List<KeyValuePair<string, string>> BuildParameterList(UrchinActivityEntry entry) { return GetParameters() .Concat(GetParameters(environment)) .Concat(GetParameters(configuration)) .Concat(GetParameters(sessionManager, configuration.GetHostNameHash())) .Concat(GetParameters(entry.CustomVariables)) .Concat(UrchinActivityParameterBuilder.GetParameters(entry.Activity)) .ToList(); }