https://learn.microsoft.com/zh-tw/dotnet/api/system.reflection.customattributetypedargument.value?view=netframework-4.8.1&viewFallbackFrom=net-5.0
CustomAttributeTypedArgument.Value Property (System.Reflection) | Microsoft Learn
Gets the value of the argument for a simple argument or for an element of an array argument; gets a collection of values for an array argument.
value propertysystemreflectionmicrosoftlearn