Article missing information on exmaple usage

### Type of issue

Missing information

### Description

[Enter feedback here]
This documentation falls off a cliff, into's attributes, discusses that you have to use reflection to access attributes, shows an example of using reflection, then ends. What about an example of executing an actual sample attribute?

### Page URL

https://learn.microsoft.com/en-us/dotnet/csharp/advanced-topics/reflection-and-attributes/attribute-tutorial

### Content source URL

https://github.com/dotnet/docs/blob/main/docs/csharp/advanced-topics/reflection-and-attributes/attribute-tutorial.md

### Document Version Independent Id

e0929204-b681-8c8f-6d1c-dbf42d62b863

### Article author

@mgroves

### Metadata

* ID: 19250558-221d-dfca-c63e-7ac9e51b0817
* Service: **dotnet-csharp**
* Sub-service: **advanced-concepts**