When implemented in a class, gets or sets a value that indicates whether multiple filters are allowed.
Assembly: System.Web.Mvc (in System.Web.Mvc.dll)
This property is used during sorting in order to eliminate duplicate filters. When is true, all instances of the same filter type are allowed. When is false, only the last instance of the same filter type is allowed, and all others are discarded. If your filter does not implement IMvcFilter, the default value for is true.