When you instantiate a telemetry processor, you're given a reference to the next processor in the chain. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. If your app sends considerable telemetry, this processor removes some of it. Telemetry can still be lost in several situations, including these common scenarios: Although less likely, it's also possible that the channel can cause duplicate telemetry items. I was creating a telemetry like this: As soon as I change it to do like this it started to work and I was able to see the events in the search for customEvents in application insights: Thanks for contributing an answer to Stack Overflow! Open the ApplicationInsights.config file. My mistake, I didn't realize IHttpContextAccessor creates an object reference so the constructor doesn't need to be hit multiple times. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. New Azure regions require the use of connection strings instead of instrumentation keys. SDK versions 2.7.1 and later collect performance counters if the application is running in Windows and targets. By default, it flags as failed any request with a response code >=400. For the latest updates and bug fixes, see the release notes. are they successful? Open the ApplicationInsights.config file. When you want to enrich telemetry with more information, use telemetry initializers. If the application migrates physically from one location to another, any telemetry stored in the original location is lost. Live Metrics Stream also has a custom channel that powers the live streaming of telemetry. Next, in the Startup.ConfigureServices method, register that telemetry initializer as a singleton. Send cloud role name to appinsight using serilog - Microsoft Q&A Why do academics stay as adjuncts for years rather than move around? The default telemetry channel is ServerTelemetryChannel. Each telemetry module collects a specific type of data and uses the core API to send the data. Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. Telemetry processors construct a chain of processing. This allows us to easily add custom properties to our Application Insights request telemetry for all controller actions. To configure .NET Core applications, follow the instructions in Application Insights for ASP.NET Core applications. The is very straight forward. They're called in the order that they're added. Dependency tracking collects telemetry about calls your app makes to databases and external services and databases. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA.