Install the Traceloop SDK and initialize it. It will automatically log all calls to Gemini or any other VertexAI models, with prompts and completions as separate spans.

Make sure you have a Grafana Agent installed and running in your system. Go to the Grafana Cloud account page under https://grafana.com/orgs/<your org name>, and click on Send Traces under Tempo. In Grafana Data Source settings, note the URL value. Click Generate now to generate an API key and copy it. Note also the Stack ID value (you can find it in the URL https://grafana.com/orgs/<Your Org Name>/stacks/<Stack ID>). Add this to the configuration of your Grafana Agent.