in telemetry/csharp/AwsToolkit.Telemetry.Events/Core/MetricDatumExtensionMethods.cs [35:43]
public static void AddMetadata(this MetricDatum metricDatum, string key, object value)
{
if (value == null)
{
return;
}
metricDatum.AddMetadata(key, value.ToString());
}