How to intercept method with custom attribute using DynamicProxy

gistfile1.cs

void Main()
{
    ProxyGenerator proxyGenerator = CreateProxyGenerator();
    
    IService proxy = 
        proxyGenerator
        .CreateInterfaceProxyWithTargetInterface(new Service() as IService, new TracingInterceptorAspect());
      
    proxy.ProcessRequest();
   
    proxyGenerator.ProxyBuilder.ModuleScope.SaveAssembly(false);
}

public interface IService   
{
    void ProcessRequest();
}

[Serializable]
public class TracingAttribute : Attribute
{

}

public sealed class Service : IService
{
    [Tracing]
    public void ProcessRequest()
    {
        string.Format("{0} call ProcessRequest", GetType().FullName).Dump();
    }
}

[Serializable]
public class TracingInterceptorAspect : IInterceptor
{
    public void Intercept(IInvocation invocation)
    {
        var hasAttribute = invocation.MethodInvocationTarget.GetCustomAttribute(typeof(TracingAttribute)) != null;
        
        invocation.Dump();
        
        if(hasAttribute)
        {
            string.Format("Before {0} call ProcessRequest", invocation.TargetType).Dump();
        }
        
        invocation.Proceed();
        
        if(hasAttribute)
        {
            string.Format("After {0} call ProcessRequest", invocation.TargetType).Dump();
        }
        
    }
}

public static ProxyGenerator CreateProxyGenerator()
{
    var savePhysicalAssembly = true;
    var strongAssemblyName = ModuleScope.DEFAULT_ASSEMBLY_NAME;
    var strongModulePath = ModuleScope.DEFAULT_FILE_NAME;
    var weakAssemblyName = "Castle.Core.Tracing.Interceptor";
    var weakModulePath = "Castle.Core.Tracing.TargetProxy.dll";
    
    var scope = new ModuleScope(savePhysicalAssembly, true, strongAssemblyName, strongModulePath, weakAssemblyName, weakModulePath);
    
    return new ProxyGenerator(new DefaultProxyBuilder(scope));
}

https://github.com/akimboyko/AOP.Hydra/blob/master/examples/interceptor/CastleCoreTracingTargetProxyWithAttribute.linq — original LinqPAD file