Hi

ideally for front end stuff you should use the Umbraco.TypedContent helpers as this gets stuff from the cache. where you can pass the UDI directly

var item = Umbraco.TypedContent(myUdi);

however - if you do need the backoffice content:

you can get a number of uid's with

var items = Services.ContentService.GetByIds(new List<Udi> { myUdi } )

but that returns a list of multiple items; If you just want one, then there isn't a direct function - you can get the GUID from the UDI and call that.

var guidUdi = myUdi as GuidUdi;
if (guidUdi != null)
{
    var item = Services.ContentService.GetById(guidUdi.Guid);
}

This turns the Udi into a GuidUdi and then lets you directly get the Guid - ideally you would also check this is infact a content Udi before you did this - but it hopefully shows you how you might do it.

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