<PackageReference Include="OpenTelemetry.Api" Version="1.15.0" />

System.Runtime.CompilerServices.CallerArgumentExpressionAttribute

Allows capturing of the expressions passed to a method.
namespace System.Runtime.CompilerServices { internal sealed class CallerArgumentExpressionAttribute : Attribute { public string ParameterName { get; } public CallerArgumentExpressionAttribute(string parameterName); } }