https://learn.microsoft.com/en-us/dotnet/api/microsoft.aspnetcore.mvc.filters.ipagefilter?view=aspnetcore-10.0
IPageFilter Interface (Microsoft.AspNetCore.Mvc.Filters) | Microsoft Learn
A filter that surrounds execution of a page handler method. This filter is executed only when decorated on a handler's type and not on individual handler...
interfacemicrosoftaspnetcoremvcfilters