Microsoft.Azure.WebJobs.Script.WebHost.WebScriptHostManager.OnInitializeConfig C# (CSharp) Method

        protected override void OnInitializeConfig(ScriptHostConfiguration config)
        {
            base.OnInitializeConfig(config);

            // Note: this method can be called many times for the same ScriptHostConfiguration
            // so no changes should be made to the configuration itself. It is safe to modify
            // ScriptHostConfiguration.Host config though, since the inner JobHostConfiguration
            // is created anew on each restart.

            // Add our WebHost specific services
            var hostConfig = config.HostConfig;
            hostConfig.AddService<IMetricsLogger>(_metricsLogger);

            // Add our exception handler
            hostConfig.AddService<IWebJobsExceptionHandler>(_exceptionHandler);

            // Register the new "FastLogger" for Dashboard support
            var dashboardString = AmbientConnectionStringProvider.Instance.GetConnectionString(ConnectionStringNames.Dashboard);
            if (dashboardString != null)
            {
                // hostId may be missing in local test scenarios. 
                var hostId = config.HostConfig.HostId ?? "default";
                var fastLogger = new FastLogger(hostId, dashboardString);
                hostConfig.AddService<IAsyncCollector<FunctionInstanceLogEntry>>(fastLogger);
            }
            hostConfig.DashboardConnectionString = null; // disable slow logging
        }