public static void MapControllersWithAttribute <T>(this IEndpointRouteBuilder endpoints) where T : Attribute
{
var dataSource = endpoints.GetEndpointDatasource();
if (dataSource != null)
{
var filteredEndpoints = dataSource.Endpoints.Where(e => e.Metadata.Any(m => m.GetType().Equals <T>()));
var d = new DefaultEndpointDataSource(filteredEndpoints);
endpoints.DataSources.Add(d);
}
}