Azure / Azure/azure-functions-host

How function SDK send logs in ApplicationInsights customMetrics?

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Dominant language
C#
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Description

#### Azure Function V1 with ApplicationInsight

#### C#

#### I have implemented my custom logger for applicationInsight (using TelemeteryClient) and I can see my log data in traces and requests collections as expected. But I can see some additional data in [**customMetrics**.](https://i.stack.imgur.com/0lOUm.png). Is it data send by function SDK? it yes then how? I want to know this logic.

Contributor guide

Open the contributing guide

Research direction

Start by tracing the Azure Functions V1 Application Insights integration around TelemetryClient and the customMetrics collection, then compare it with the traces and requests collections described in the issue. Document whether the SDK emits the shown metrics, which logic produces them, and how that data is sent.

Written by the indexing model from the issue text.

Assessment

Tech stack
azure, csharp
Domain
observability
Issue type
Documentation
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
28/100

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