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Editorial Team
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Asked: 2026-06-12T22:03:42+00:00

I created a new MVC 4 project. I created a custom action filter and

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I created a new MVC 4 project. I created a custom action filter and inherited from ActionFilterAttribute. I created an override for OnActionExecuting(). At the moment, it doesn’t do much; it just outputs a message to the output window. Last, I registered the action filter in RegisterGlobalFilters(), found in FilterConfig.cs.

When I run the application the application, the breakpoint gets hit. This is good. However, I didn’t add any attributes to any controllers. Is this behavior correct? When do I need to add attributes to my controllers? How does this work?

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1 Answer

  1. Editorial Team

    RegisterGlobalFilters is applicable to all controllers.

    You may want to add specific attributes to specific controllers in some cases. For example, a certain controller may require a certain role using [Authorize (Roles="group1")] whereas all others do not. Adding the attribute to that controller only will give you this functionality.

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